Mamin, Saint Lucia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Soufriere, Saint Lucia, is known for the Pitons, Sulphur Springs, and Anse Chastanet. The best time to travel to Mamin, Saint Lucia, is from December to April, with average air temperatures around 77-86°F (25-30°C) and water temperatures around 79-82°F (26-28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!