Sainte Marie de Re, France offers 1 beach perfect for sunbathing, surfing, swimming, and more. Sainte Marie de Re is known for its picturesque beaches, charming village atmosphere, and the historic Church of Sainte-Marie. The best time to travel to Sainte Marie de Re, France, is from June to September, with average air temperatures around 20-25°C (68-77°F) and water temperatures around 18-21°C (64-70°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!