Coastline: 8 km

Maritime claims: exclusive economic zone: 200 nm territorial sea: 12 nm

Climate: tropical; scant rainfall, constant wind, burning sun

Terrain: sandy, coral island surrounded by a narrow fringing reef

Elevation extremes: lowest point: Pacific Ocean 0 m highest point: unnamed location 7 m

Natural resources: guano (deposits worked until late 1800s)

Land use:
arable land: 0%
permanent crops: 0%
permanent pastures: 0%
forests and woodland: 0%
other: 100%

Irrigated land: 0 sq km (1998)

Natural hazards: the narrow fringing reef surrounding the island can be a maritime hazard

Environment—current issues: no natural fresh water resources