Shipwrecks
Lake Ontario (Lake America) Shipwrecks
The Lake Ontario National Marine Sanctuary, designated June 2024, protects 41 known shipwrecks and 1 known aircraft across 1,722 square miles of the eastern lake.
NOAA designated the Lake Ontario National Marine Sanctuary in June 2024, covering 1,722 square miles of the eastern lake off Jefferson, Oswego, Cayuga, and Wayne counties. Inside that area are 41 known shipwrecks and 1 known aircraft, including HMS Ontario, the oldest confirmed shipwreck in United States waters.
Divers and history researchers should treat NOAA's Office of National Marine Sanctuaries as the authoritative source for wreck names, locations, and dive access rules. This page does not list individual wreck coordinates; none are confirmed in this site's research files.
Source: NOAA Office of National Marine Sanctuaries, sanctuaries.noaa.gov/lake-ontario