Robert F. Marx se spécialise dans la plongée en 1953 et en a pratiqué plus de 5 000[2]. Il est l'auteur de plus de 800 rapports ou articles et de 59 livres sur l'histoire et l'archéologie des naufrages ainsi que sur l'exploration des épaves[3].
Il a été membre fondateur du Conseil sur l'archéologie subaquatique et de la Société de recherche sur la mer. En 1972, il a participé à la création du diplôme professionnel américain de docteur en histoire marine[4].
They Found Treasure: [interviews], Robert Forrest Burgess (New York : Dodd, Mead, 1977) (ISBN0396074502), (OCLC2797871)
In Quest of the Great White Gods: contact between the Old and New World from the dawn of history, Robert F. Marx et Jenifer Marx (New York : Crown, 1992) (ISBN0517582708 et 9780517582701), (OCLC24065049)
Readings in Physical Anthropology and Archaeology, David E. Hunter et Phillip Whitten (New York : Harper & Row, 1978) (ISBN0060430230 et 9780060430238), (OCLC4004685)
Spence's Guide to South Carolina : diving, 639 shipwrecks (1520-1813), saltwater sport fishing, recreational shrimping, crabbing, oystering, clamming, saltwater aquarium, 136 campgrounds, 281 boat landings, E. Lee Spence, (Nelson Southern Printing, Sullivan's Island, S. C. : Spence, 1976) (OCLC2846435)
Always Another Adventure, Robert F. Marx (Cleveland, World Pub. Co., 1967) (OCLC1355136)
Shipwrecks of the Virgin Islands, 1523-1825, Robert F. Marx ; Edward L. Towle et le Caribbean Research Institute (St. Thomas, V. I., Caribbean Research Institute, 1969) (OCLC209714)
Treasure Lost at Sea : Diving to the world's great shipwrecks, Robert F. Marx et Jenifer Marx (Buffalo, N. Y. : Firefly Books, 2003) (ISBN1552978729 et 9781552978726), (OCLC54464113)
The Battle of the Spanish Armada 1588, Robert F. Marx (Cleveland, World Pub. Co., 1965) (OCLC920618)
The Underwater Dig: an introduction to marine archaeology, Robert F. Marx (New York : H. Z. Walck, 1975) (ISBN0809835363), (OCLC1504496)
Shipwrecks of the Western Hemisphere, 1492-1825, Robert F Marx (New York, World Pub. Co., 1971) (OCLC207459)
The Lure of Sunken Treasure: under the sea with marine archaeologists and treasure hunters, Robert F. Marx (New York, McKay, 1973) (OCLC714464)
Into the Deep : the history of man's underwater exploration, Robert F. Marx (Van Nostrand Reinhold, 1978) (ISBN0442803869 et 9780442803865), (OCLC3844466)
Encyclopedia of Western Atlantic Shipwrecks and Sunken Treasure, Victoria Sandz et Robert F. Marx (Jefferson, N. C. : McFarland, 2001) (ISBN0786410183), (OCLC46836931)
The World's Richest Shipwrecks, Robert F. Marx et Jenifer Marx (Toronto : Key Porter Books, 2005) (ISBN1552636569), (OCLC60369569)
Treasures from the Sea: Exploring the world's great shipwrecks, Robert F. Marx et Jenifer Marx (Toronto : Key Porter Books, 2003) (ISBN1552632075), (OCLC52039638)
The treasure fleets of the Spanish Main, Robert F. Marx (Cleveland, World Pub. Co., 1968) (OCLC448399)
The Battle of Lepanto, 1571, Robert F. Marx (Cleveland, World Pub. Co., 1966) (OCLC1349558)
They Dared the Deep; a history of diving, Robert F. Marx (Cleveland, World Pub. Co., 1967) (OCLC1354152)
Following Columbus; the voyage of the Nina II, Robert F. Marx (Cleveland, World Pub. Co., 1964) (OCLC1413847)
Buried Treasure of the United States: how and where to locate hidden wealth, Robert F. Marx (New York : McKay, 1978) (ISBN0679507957 et 9780679507956), (OCLC3203427)
Buried treasures you can find : over 7500 locations in all 50 states, Robert F. Marx (Dallas, Texas : Ram Books, 1993) (ISBN0915920824 et 9780915920822), (OCLC29561608)
Shipwrecks in Florida Waters : a billion dollar graveyard, Robert F. Marx (Chuluota, Floride : Mickler House, 1985, 1979) (ISBN0913122513), (OCLC13651406)
The History of Underwater Exploration, Robert F. Marx (New York : Dover Publications, 1990) (ISBN0486264874), (OCLC21563447)
In the Wake of Galleons, Robert F. Marx (Flagstaff, AZ : Best Pub. Co., 2001) (ISBN0941332950), (OCLC49311568)
Clay smoking pipes recovered from the sunken city of Port Royal October 1, 1967-March 31, 1968, Robert F. Marx ; Jamaica National Trust Commission (Kingston, Jamaica National Trust Commission, 1968) (OCLC121031)