Buck Island Reef National Monument

VIRGIN ISLANDS, U.S.
The Buck Island Reef National Monumen is a small, uninhabited island, measuring 712,000 square m, about 2.4 km off the northeast coast of Saint Croix, U.S. Virgin Islands. The marine ecosystem surrounding the island includes an elkhorn coral barrier reef that surrounds two-thirds of the island and provides cover for a great variety of reef fish. Endangered species that nest on the island include sea turtles and least terns.