Located at the entrance to the Chesapeake Bay, the island is subject to great changes in its landscape from waves and runoff.

Gun batteries were emplaced on the island to defend Chesapeake Bay in both world wars; these were part of Fort John Custis during World War II.

The island is the habitat to migratory waterfowl, shorebirds, and nesting waterbirds.

This article incorporates public domain material from websites or documents of the United States Fish and Wildlife Service.

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