Lake Ontario National Marine Sanctuary

Illustrated underwater shipwreck with divers, anchor, chain, and fish

Video coming soon…

Lake Ontario National Marine Sanctuary is America’s 16th national marine sanctuary and the third in the Great Lakes. The area encompasses 1,300 square nautical miles (1,722 square miles) of eastern Lake Ontario waters and bottomlands adjacent to Jefferson, Oswego, Cayuga, and Wayne counties in the state of New York.


Lake Ontario National Marine Sanctuary vintage poster with underwater shipwreck


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