Longues sur Mer, France offers 1 beach perfect for sunbathing, surfing, swimming, and more. Longues sur Mer is known for the Longues-sur-Mer battery, a well-preserved German coastal defense battery from World War II. The best time to visit Longues-sur-Mer, France, is from June to September, with average air temperatures around 60-70°F (15-21°C) and water temperatures around 60-65°F (16-18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!
