Cleveland Underwater Explorers (CLUE)
Active shipwreck searching and finding group in Lake Erie.
Great Lakes Historical Society (GLHS)
Foremost Ohio historical maritime organization, based in Vermilion, Ohio.
Maritime Archaeological Survey Team (MAST)
Volunteer shipwreck archaeological group in Ohio, associated with GLHS.
State of Ohio Shipwreck Trail and wreck descriptions.
Great Lakes Shipwreck Research
Web site used for shipwreck research in the Great Lakes, including the Research Group discussion board.
Undersea Research Associates (URA)
David Trotter's very active shipwreck search group in Lake Huron.
Site for Lake Ontario shipwreck searchers Jim Kennard and Dan Scoville.