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If you love the sea, if you love history, you belong here.

Since its founding in 1963, the National Maritime Historical Society and Sea History magazine have been championing the history, art, science, and adventure of the sea—raising awareness of our maritime history, promoting the maritime heritage community, and inviting all to share in the adventures of seafaring.

Our list of supporters is growing every day but it's missing someone important—you! Join thousands of fellow enthusiasts who are raising awareness of our seafaring heritage and creating a constituency to advocate for our maritime legacy.

Diving with Mark V photo by Anita Sites Nathan Davis, part of Classic Diving LLC, descends into Vortex Springs, Florida, wearing an iconic Mark V diving helmet.