Two uninhabited US atolls in the Equatorial Pacific that are close together are Howland and Baker Islands. Amelia Earhart Island never reached the ruins of a lighthouse. An uninhabited island in Micronesia, about halfway between Hawaii and Australia. Well, Howland Island, formerly Worth Island, coral atoll, unincorporated territory of the United States. The Howland Island is a United States property in the North Pacific between Australia and the Hawaiian Islands.