Bastia, France offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Bastia is known for its picturesque Old Port, the historic Terra Nova district, and the vibrant Saint-Nicolas Square. The best time to travel to Bastia, France, is from May to September, with average air temperatures ranging from 70°F to 85°F and water temperatures from 68°F to 77°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!