Penta di Casinca, France offers 1 beach perfect for sunbathing, surfing, swimming, and more. Penta di Casinca is known for its picturesque medieval village and the Church of Saint John the Baptist. The best time to travel to Penta di Casinca, France, is from June to September, with average air temperatures around 75°F (24°C) and sea temperatures around 73°F (23°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!