Necker Island (Hawaiian: Mokumanamana; lit.ā'branched island') is a small uninhabited island in the Northwestern Hawaiian Islands. It is located in the Pacific Ocean, 430 miles (370Ā nmi; 690Ā km) northwest of Honolulu, Hawaii, 155 miles (135Ā nmi; 249Ā km) northwest of NÄ«hoa, and 8 miles (7Ā nmi; 13Ā km) north of the Tropic of Cancer. It is part of the state of Hawaii in the United States. It contains important prehistoric archaeological sites of the Hawaiian culture and is part of the Hawaiian Islands National Wildlife Refuge within the PapahÄnaumokuÄkea Marine National Monument.
The United States Census Bureau reports Necker Island's land area as 45.193 acres (18.289Ā ha). The island is rocky with steep sides and has very little soil. Its highest elevation is 277 feet (84Ā m). The island is named after Jacques Necker, a finance minister of Louis XVI.