The spectacular Atlantic Double Dunes along the shore in the Village of East Hampton are unique in the northeast of the United States. A primary dune and secondary dune run parallel to each other and the beach for two and a half miles from the Maidstone Club to Atlantic Avenue in Amagansett. The interdunal swale, the lowland of sand, beach plants, and scrub oak between the dunes, is a paradise for hognose snakes, Fowler's toads, cranberry bogs, and birds in migration.
This gorgeous and fragile ecological mystery, most brilliant in Autumn, is actually a fresh water wetland on the doorstep of the Atlantic ocean. Endangered by hurricanes, the Atlantic Double Dunes have been preserved through the efforts of conservationists.