Necker Island (Northwestern Hawaiian Islands)

Necker Island Archeological District
U.S. National Register of Historic Places
On top of Mokumanamana
Nearest city	Pu'uwai, Ni'ihau, Kaua'i County Hawaii
Area	45.193 acres (182,890 m2)
NRHP Reference #	88000641
Added to NRHP	June 13, 1988

Necker Island (Hawaiian: Mokumanamana) is a small island in the Northwestern Hawaiian Islands. It is located at 23°34′35″N 164°42′0″W / 23.57639°N 164.70000°W / 23.57639; -164.70000Coordinates: 23°34′35″N 164°42′0″W / 23.57639°N 164.70000°W / 23.57639; -164.70000 in the Pacific Ocean, 155 miles (135 nmi; 249 km) northwest of Nihoa and 8 miles (7.0 nmi; 13 km) north of the Tropic of Cancer. It contains important prehistoric archaeological sites of the Hawaiian culture and is part of the Hawaiian Islands National Wildlife Refuge within the Northwestern Hawaiian Islands National Monument.

The United States Census Bureau reports its land area as 45.193 acres (182,890 m²). 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.