Necker Island (Hawaii)

Necker Island Archeological District
An aerial view of Necker Island from the northeast.
Nearest cityPu'uwai, Ni'ihau, Kaua'i County, Hawaii
Area45.193 acres (182,890 m2)
NRHP reference No.88000641
Added to NRHPJune 13, 1988

Necker Island (Hawaiian: Mokumanamana "branched island") is a small uninhabited island in the Northwestern Hawaiian Islands. It is located at 23°34′30″N 164°42′01″W / 23.57500°N 164.70028°W / 23.57500; -164.70028 in the Pacific Ocean, 430 miles (370 nmi; 690 km) northwest of Honolulu, Hawaii, 155 miles (135 nmi; 249 km) northwest of Nihoa, and 8 miles (7 nmi; 13 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 Papahānaumokuākea Marine National Monument.

The United States Census Bureau reports Necker Island's land area as 45.193 acres (18.289 ha). The island is rocky with steep sides and has very little soil. Its highest elevation is 277 feet (84 m). The island is named after Jacques Necker, a finance minister of Louis XVI.