Saint Martin (France), Saint Martin offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Saint Martin is known for its beautiful Orient Bay Beach, the vibrant Marigot Market, and the historic Fort Louis. The best time to travel to Saint Martin (France) is from December to April, with average air temperatures around 77-82°F (25-28°C) and water temperatures about 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!