Trou d'Eau Douce, Mauritius offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Trou d'Eau Douce is known for Ile aux Cerfs, a popular island destination for water sports and beach activities. The best time to travel to Trou d'Eau Douce, Mauritius, is from May to December, with average air temperatures around 24-28°C (75-82°F) and water temperatures around 23-27°C (73-81°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!