The arrondissement of Le Marin is an arrondissement in the French overseas region of Martinique. It has 12 communes. Its population is …The arrondissement of Le Marin is an arrondissement in the French overseas region of Martinique. It has 12 communes. Its population is 117,168, and its area is 409.1 km². The arrondissement of Le Marin, containing 12 communes that were previously part of the arrondissement of Fort-de-France, was created in 1974.