Baker Island is an uninhabited atoll located just north of the equator in the Central Pacific Ocean about 3,100 kilometres southwest of Honolulu. The island lies almost Halfway between Hawaii and Australia, and is a possession of the United States. Its nearest neighbor is Howland Island, 68 kilometres to the north.
Located at the island covers 1.64 square kilometres (0.63 sq mi), with 4.9 kilometres (3.04 mi) of coastline. The terrain is low-lying and Sandy: a coral island surrounded by a narrow fringing reef with a depressed central area devoid of any lagoon with its highest point being 8 metres (26 ft) above sea level.