Island
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Image
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Size
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County
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Notes
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Adams Key
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Miami-Dade
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In Biscayne National Park. Home to the former Cocolobo Cay Club owned by Carl Fisher.
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Allison Island
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Miami-Dade
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Amelia Island
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18 square miles (47 km2)[2]
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Nassau
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One of the Sea Islands
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Anastasia Island
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14 square miles (36 km2)[3]
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St. Johns
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Barrier island
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Anna Maria Island
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7 square miles (18 km2)
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Manatee
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Barrier island
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Archer Key
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24.7 ha; 61.1 acres
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Monroe
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One of the Mule Keys in the lower Florida Keys
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Arsenicker Keys
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Miami-Dade
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In Biscayne National Park
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Atsena Otie Key
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Levy
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One of the Cedar Keys
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Bahia Honda Key
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524 acres (212 ha)
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Monroe
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In the lower Florida Keys
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Ballast Key
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4.68 ha; 11.6 acres
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Monroe
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One of the Mule Keys in the lower Florida Keys
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Barracouta Key
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47.2 ha; 117 acres
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Monroe
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One of the Mule Keys in the lower Florida Keys
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Belle Isle
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Miami-Dade
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Artificial island in the Venetian Islands in Biscayne Bay
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Big Coppitt Key
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Monroe
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In the lower Florida Keys
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Big Mullet Key
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8.72 ha; 21.6 acres
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Monroe
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One of the Mule Keys in the lower Florida Keys
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Big Pine Key
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9.8 square miles (25 km2)
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Monroe
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In the lower Florida Keys
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Big Talbot Island
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Duval
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One of the Sea Islands
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Big Torch Key
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Monroe
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In the lower Florida Keys
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Bird Key
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1.2 square miles (3.1 km2)
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Sarasota
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Barrier island
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Bird Key
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Miami-Dade
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in Biscayne Bay
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Biscayne Island
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Miami-Dade
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Artificial island in the Venetian Island in Biscayne Bay
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Black Hammock Island
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Duval
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In a marsh
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Blount Island
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2,000 acres (810 ha)
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Duval
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In the St. Johns River
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Boca Chica Key
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Monroe
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In the lower Florida Keys
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Boca Chita Key
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Miami-Dade
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In Biscayne National Park
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Boca Grande
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3 square miles (7.8 km2)[4]
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Monroe
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One of the Mule Keys in the lower Florida Keys
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Boot Key
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Monroe
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In the middle Florida Keys
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Brickell Key
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1.19 square miles (3.1 km2)
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Miami-Dade
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Artificial island in Biscayne Bay
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Caesar's Rock
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Miami-Dade
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In Biscayne National Park
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Caladesi Island
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3 square miles (7.8 km2)
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Pinellas
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Barrier island
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Cape St. George Island
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Franklin
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Barrier island
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Casey Key
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Sarasota
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Barrier island
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Captiva Island
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4 square miles (10 km2)
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Lee
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Barrier island
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Cayo Costa
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2,506 acres (1,014 ha)
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Lee
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Barrier island
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Cedar Key
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Levy
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One of the Cedar Keys
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Chokoloskee Island
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0.23 square miles (0.60 km2)
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Collier
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In the Ten Thousand Islands
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City Island
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0.7 square miles (1.8 km2)
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Volusia
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In the Intracoastal Waterway
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Clearwater Beach Island
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Pinellas
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Barrier island
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Coconut Island
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Collier
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Small barrier island
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Conch Key
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Monroe
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In the middle Florida Keys
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Cottrell Key
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53.4 acres (21.6 ha)
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Monroe
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One of the Mule Keys in the lower Florida Keys
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Craig Key
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Monroe
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In the upper Florida Keys
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Crawfish Key
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4.23 acres (1.71 ha)
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Monroe
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One of the Mule Keys in the lower Florida Keys
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Crawl Key
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Monroe
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In the middle Florida Keys
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Cudjoe Key
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Monroe
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In the lower Florida Keys
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Davis Islands
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Hillsborough
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Two artificial islands in Tampa Bay
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Deerfield Beach Island
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Broward (part) Palm Beach (part)
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Barrier island
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Demere Key
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Lee
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In Pine Island Sound
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Di Lido Island
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Miami-Dade
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In the Venetian Islands
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Dildo Key
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0.12 square miles (0.3 km2)
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Monroe
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In Everglades National Park
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Discovery Island
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12 acres (4.9 ha)
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Orange
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Island formerly used as an attraction at Walt Disney World Resort
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Dismal Key
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Monroe
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In the Ten Thousand Islands
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Dog Island
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1,842 acres (745 ha)
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Franklin
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Barrier island
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Don Pedro Island
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Charlotte County
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Barrier island
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Drayton Island
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1,700 acres (690 ha)
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Putnam
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In Lake George
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Dry Tortugas
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Monroe
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In Dry Tortugas National Park
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Duck Key
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Monroe
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In the middle Florida Keys
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East Rockland Key
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Monroe
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In the lower Florida Keys
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Egmont Key
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328 acres (133 ha)
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Hillsborough
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Barrier island
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Elliott Key
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Miami-Dade
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Largest island in Biscayne National Park
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Estero Island
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Lee
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Barrier island
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Fat Deer Key
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Monroe
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In the middle Florida Keys
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Fiesta Key
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Monroe
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In the upper Florida Keys
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Fisher Island
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222 acres (90 ha)
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Miami-Dade
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Barrier island
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Flagler Monument Island
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4 acres (1.6 ha)
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Miami-Dade
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Artificial island in Biscayne Bay
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Fleming Key
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Monroe
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In the lower Florida Keys
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Fort George Island
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Duval
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One of the Sea Islands
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Galt Island
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Lee
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In Pine Island Sound
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Gasparilla Island
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7 square miles (18 km2)
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Charlotte and Lee counties
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Barrier island
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Geiger Key
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Monroe
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In the lower Florida Keys
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Grassy Key
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Monroe
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In the middle Florida Keys
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Grove Isle
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20 acres (8.1 ha)
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Miami-Dade
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Artificial island in Biscayne Bay
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Hibiscus Island
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Miami-Dade
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Artificial island in Biscayne Bay
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Honeymoon Island
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385 acres (156 ha)
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Pinellas
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Barrier island
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Hontoon Island
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1,648 acres (667 ha)
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Volusia
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In St. Johns River
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Hutchinson Island
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23.86 square miles (61.8 km2)
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Martin (part) St. Lucie (part)
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Barrier island
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Hypoluxo Island[5]
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2.7 square miles (7.0 km2)
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Palm Beach
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An island in Lake Worth Lagoon
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Indian Key
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12 acres (4.9 ha)[6]
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Monroe
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In the Florida Keys
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Joe Ingram Key
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1.00 ha; 2.47 acres
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Monroe
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One of the Mule Keys in the lower Florida Keys
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Jupiter Island
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3.56 square miles (9.2 km2)
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Martin (part) Palm Beach (part)
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Barrier island
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Keywaydin Island
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Collier
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Barrier island
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Key Biscayne
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5 square miles (13 km2)
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Miami-Dade
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Barrier island
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Key Largo
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Monroe
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In the upper Florida Keys
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Key Marco
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Collier
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In the Ten Thousand Islands
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Key Vaca
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Monroe
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In the middle Florida Keys
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Key West
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5.27 square miles (13.6 km2)
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Monroe
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In the lower Florida Keys
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Knights Key
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Monroe
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In the middle Florida Keys
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Knockemdown Key
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Monroe
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In the lower Florida Keys
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Kreamer Island
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Palm Beach
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In Lake Okeechobee
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Lido Key
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530 acres (210 ha)
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Sarasota
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Barrier island
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Lignumvitae Key
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300 acres (120 ha)[7]
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Monroe
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In the upper Florida Keys
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Little Conch Key
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Monroe
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In the middle Florida Keys
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Little Crawl Key
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Monroe
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In the middle Florida Keys
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Little Duck Key
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Monroe
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In the lower Florida Keys
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Little Gasparilla Island
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Charlotte
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Barrier island
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Little Mullet Key
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5.86 ha; 14.5 acres
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Monroe
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One of the Mule Keys in the lower Florida Keys
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Little Talbot Island
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3.9 square miles (10 km2)
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Duval
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One of the Sea Islands
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Little Torch Key
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Monroe
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In the lower Florida Keys
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Loggerhead Key
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49 acres (20 ha)
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Monroe
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In the Dry Tortugas
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Lois Key
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Monroe
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In the lower Florida Keys
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Long Key
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Monroe
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In the middle Florida Keys
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Longboat Key
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16 square miles (41 km2)
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Sarasota (part) Manatee (part)
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Barrier island
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Long Point Key
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Monroe
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In the middle Florida Keys
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Lovers Key
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Lee
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Barrier island
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Lower Matecumbe Key
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Monroe
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In the upper Florida Keys
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Makinson Island
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Osceola
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In Lake Tohopekaliga
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Man Key
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35.9 ha; 88.7 acres
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Monroe
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One of the Mule Keys in the lower Florida Keys
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Manasota Key
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3.089 square miles (8.00 km2)
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Charlotte (part) Sarasota (part)
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Barrier island
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Marco Island
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12.1 square miles (31 km2)
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Collier
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Barrier island
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Marquesas Keys
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2.541 square miles (6.58 km2)
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Monroe
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In the lower Florida Keys
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Meig's Key
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Monroe
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In Biscayne National Park
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Melody Key
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6 acres (2.4 ha)[8]
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Monroe
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In the lower Florida Keys
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Merritt Island
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46.16 square miles (119.6 km2)
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Brevard
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Barrier island
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Miami Beach
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Miami-Dade
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Barrier island
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Middle Torch Key
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Monroe
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In the Florida Keys
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Missouri Key
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Monroe
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In the lower Florida Keys
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Molasses Keys
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Monroe
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In the lower Florida Keys
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Money Key
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Monroe
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In the lower Florida Keys
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Mule Key
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5.22 ha; 12.9 acres
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Monroe
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One of the Mule Keys in the lower Florida Keys
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Mule Keys
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263 ha; 649 acres
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Monroe
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In the lower Florida Keys
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Mullet Key
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Citrus
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Island in the Gulf of Mexico
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Munyon Island
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Palm Beach
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In Lake Worth Lagoon
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No Name Key
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Monroe
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In the lower Florida Keys
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North Captiva Island
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4 square miles (10 km2)
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Lee County
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Barrier island
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North Hutchinson Island/ Orchid Island
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23.86 square miles (61.8 km2)
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Indian River (part) St. Lucie (part)
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Barrier island
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Ohio Key
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Monroe
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In the lower Florida Keys
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Old Rhodes Key
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Miami-Dade
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In the upper Florida Keys
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Palm Beach Island
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8.12 square miles (21.0 km2)
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Palm Beach
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Barrier island
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Palm Island
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Miami-Dade
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Artificial island in Biscayne Bay
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Palm Key
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Monroe
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In Florida Bay
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Paradise Island
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Osceola
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In Lake Tohopekaliga
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Park Key
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70 acres (28 ha)
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Monroe
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In the lower Florida Keys
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Peanut Island
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0.32 square kilometres (0.12 sq mi)
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Palm Beach
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Artificial island in Lake Worth Lagoon
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Pelican Island
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3 acres (1.2 ha)
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St. Lucie
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In the Indian River
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Perdido Key
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Escambia
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Barrier island
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Perico Island
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Manatee
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In Tampa Bay
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Picnic Islands
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Miami-Dade
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Small group of artificial islands in Biscayne Bay
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Pigeon Key
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5 acres (2.0 ha)
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Monroe
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In the middle Florida Keys
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Pine Island
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18 square miles (47 km2)
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Lee
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Largest island in Florida
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Plantation Key
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Monroe
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In the upper Florida Keys
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Porgy Key
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Miami-Dade
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In Biscayne National Park
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Ragged Keys
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Miami-Dade
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In Biscayne National Park
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Ramrod Key
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Monroe
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In the lower Florida Keys
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Rattlesnake Key
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Manatee
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In Tampa Bay
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Reid Key
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Miami-Dade
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In Biscayne National Park
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Ritta Island
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5 square miles (13 km2)
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Palm Beach
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In Lake Okeechobee
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Rivo Alto Island
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Miami-Dade
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Artificial island in the Venetian Islands in Biscayne Bay
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Rockland Key
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Monroe
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In the lower Florida Keys
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Rubicon Keys
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Miami-Dade
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In Biscayne National Park
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Saddlebunch Keys
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Monroe
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In the lower Florida Keys
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Sand Key
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95 acres (38 ha)
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Pinellas
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Barrier island
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Sands Key
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Miami-Dade
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In Biscayne National Park
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Sandspur Island
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15 acres (6.1 ha)
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Miami-Dade
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Artificial island in Biscayne Bay
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Sanibel Island
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33.25 square miles (86.1 km2)
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Lee
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Barrier island
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San Marco Island
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Miami-Dade
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Artificial island in the Venetian Islands in Biscayne Bay
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San Marino Island
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Miami-Dade
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Artificial island in the Venetian Islands in Biscayne Bay
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Santa Rosa Island
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Escambia (part) Santa Rosa (part) Okaloosa (part)
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Barrier island
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Scout Key
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Monroe
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In the lower Florida Keys
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Shark Key
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Monroe
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In the lower Florida Keys
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Shell Key
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Pinellas
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Barrier island
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Siesta Key
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8 square miles (21 km2)[9]
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Sarasota
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Barrier Island
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Sigsbee Park (Dredgers Key)
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Monroe
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Artificial island in the lower Florida Keys
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Singer Island
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Palm Beach
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Barrier peninsula
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Snead Island
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0.75 square miles (1.9 km2)[10]
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Manatee
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Soldier Key
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Miami-Dade
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In Biscayne National Park
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Spanish Harbor Key
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Monroe
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In the lower Florida Keys
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St. Armands Key
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83.6 acres (33.8 ha)
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Sarasota
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In Sarasota Bay
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St. George Island
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28 square miles (73 km2)
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Franklin
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Barrier island
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St. James Island
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Franklin
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Separated from the mainland by the Crooked River
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St. Vincent Island
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Franklin
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Barrier island
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Star Island
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0.4 square miles (1.0 km2)
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Miami-Dade
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Artificial island in Biscayne Bay
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Stock Island
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Monroe
|
In the lower Florida Keys
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Sugarloaf Key
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Monroe
|
In the lower Florida Keys
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Summerland Key
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Monroe
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In the lower Florida Keys
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Sunset Key
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27 acres (11 ha)
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Monroe
|
In the lower Florida Keys
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Tea Table Key
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Monroe
|
In the Florida Keys
|
Ten Thousand Islands
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Collier (part) Monroe (part)
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Chain of islands
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Thousand Islands
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Brevard
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Group in the Banana River
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Three Rooker Island
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Pinellas
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Barrier island
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Torch Keys (Big, Little, and Middle Torch Keys)
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Monroe
|
In the lower Florida Keys
|
Totten Key
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Miami-Dade
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In Biscayne National Park
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Treasure Island
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Pinellas
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Barrier island
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Upper Matecumbe Key
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Monroe
|
In the upper Florida Keys
|
Useppa Island
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1 square mile (2.6 km2)
|
Lee
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In Pine Island Sound
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Venetian Islands
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Miami-Dade
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Group of artificial islands in Biscayne Bay
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Venice Island
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16.81 square miles (43.5 km2)
|
Sarasota
|
Barrier island
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Virginia Key
|
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863 acres (349 ha)
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Miami-Dade
|
Barrier island
|
Watson Island
|
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179 acres (72 ha)
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Miami-Dade
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Artificial island in Biscayne Bay
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Windley Key
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Monroe
|
In the upper Florida Keys
|
Wisteria Island
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10.6 ha; 26.3 acres
|
Monroe
|
In the lower Florida Keys
|
Woman Key
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31.8 ha; 78.5 acres
|
Monroe
|
In the lower Florida Keys
|