Saint-Barthélemy Channel is a strait in the Caribbean Sea that separates the French overseas collectivity of Saint Barthélemy and the island of Saint Martin, which is divided between a separate French overseas collectivity and Sint Maarten, a constituent country of the Kingdom of the Netherlands.[1] The channel is about 5 miles wide.[2] The maritime boundary between Saint Bathélemy and Sint Maarten runs through Saint-Barthélemy Channel.