The scientific study of the material remains of sunken maritime vessels.
Only those sites which present the archaeology of one or more shipwrecks will be listed in Science/Social_Sciences/Archaeology/Topics/Underwater/Shipwrecks/

Sites that present the history of one or more shipwrecks belong in Society/History/By_Topic/Maritime/Ships

Sites that contain MAINLY locations and descriptions of shipwrecks should be submitted to Recreation/Outdoors/Scuba_Diving/Wreck_Diving/

Sites that offer artifacts, books, or graphics (maps, etc) for sale should be submitted to the most appropriate shopping or business categories such as Shopping/Antiques_and_Collectibles/Artifacts/Treasure/