Saint Martin is a tropical island in the northeast Caribbean, approximately 300 km (186 miles) east of Puerto Rico. The 87 km² island is divided roughly in half between France (53 km²) and the Netherlands Antilles (34 km²); it is the smallest inhabited sea island divided between two nations. The southern Dutch half comprises the Eilandgebied Sint Maarten (Island area of St. Martin) and is part of the Netherlands Antilles. The northern French half comprises the Collectivité de Saint-Martin (Collectivity of St. Martin) and is an overseas collectivity of France.