| Total area | 50 km²World Bank WDI [2023] |
| Exclusive economic zone (EEZ) | No authoritative open source found |
| Administrative divisions (ADM1) | No authoritative open source found |
| Location | Caribbean, located in the Leeward Islands (northern) group; French part of the island of Saint Martin in the Caribbean Sea; Saint Martin lies east of the US Virgin IslandsCIA World Factbook [2025] · 2026 archive |
| Coastline | 58.9 km (for entire island)CIA World Factbook [2025] · 2026 archive |
| Land boundaries | 16 kmCIA World Factbook [2025] · 2026 archive |
| Bordering countries | Sint Maarten 16 kmCIA World Factbook [2025] · 2026 archive |
| Terrain | No authoritative open source found |
| Climate | temperature averages 27-29 degrees Celsius all year long; low humidity, gentle trade winds, brief, intense rain showers; hurricane season stretches from July to NovemberCIA World Factbook [2025] · 2026 archive |
| Natural resources | saltCIA World Factbook [2025] · 2026 archive |
| Highest point | Pic du Paradis 424 mCIA World Factbook [2025] · 2026 archive |
| Lowest point | Caribbean Sea 0 mCIA World Factbook [2025] · 2026 archive |
| Mean elevation | No authoritative open source found |
| Area (comparative) | more than one-third the size of Washington, D.C.CIA World Factbook [2025] · 2026 archive |
| Natural hazards | subject to hurricanes from July to NovemberCIA World Factbook [2025] · 2026 archive |
| Maritime claims | Not applicable to this country |