| name | geology | archipelago | Area (m²) | latitude (°) | Length (m) | waterbody | longitude (°) | population (people) | country | Map |
|---|---|---|---|---|---|---|---|---|---|---|
| Niuatoputapu | Volcanic | Niua Islands | 18,000,000 | -15.9499998093 | Pacific Ocean | -174.3666687012 | 934 | Tonga | Map | |
| Niuafoʻou | Niua Islands | 15,000,000 | -15.6000003815 | Pacific Ocean | -175.6333312988 | 493 | Tonga | Map |