Montrouis is a coastal town in western Haïti. It is located at around 18°57′2″N 72°42′16″W / 18.95056°N 72.70444°W in the Artibonite Department, south of Saint-Marc. Montrouis is one of the most important beach tourism destinations in Haiti, with several well renowned hotels and resorts, including le Moulin-sur-Mer. The town is located on the Côtes des Arcadins, one of Haiti's longest stretches of pure white sand beaches. It is also an exceptional place for sailing and fishing.