Saint Palais sur Mer, France offers 9 beaches perfect for sunbathing, surfing, swimming, and more. Saint Palais sur Mer is known for its picturesque beaches, the historic Le Pont du Diable, and the scenic Sentier des Douaniers coastal path. The best time to travel to Saint Palais sur Mer, 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!