Kingman Reef
Kingman Reef is a one-square-kilometer tropical coral reef located in the North Pacific Ocean, roughly half way between Hawaiian Islands and American Samoa at 6°24' N, 162°24' W. It is the northernmost of the Northern Line Islands and an unincorporated territory of the United States administered from Washington, DC by the US Navy. The reef is closed to the public.
At times, its shoreline might reach three kilometers in circumference, but the highest point on the reef is about one meter above sea level and wetted or awash most of the time, making Kingman Reef a maritime hazard. It has no natural resources, is uninhabited, and supports no economic activity. The reef partly encloses a deep interior lagoon that was used in 1937 and 1938 as a halfway station between Hawai'i and American Samoa by Pan American Airways flying boats.
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