Castelsardo, Italy offers 13 beaches perfect for sunbathing, surfing, swimming, and more. Castelsardo is known for its historic Castello dei Doria and the stunning views of the Gulf of Asinara. The best time to travel to Castelsardo, Italy, is from May to September, when the average air temperature is around 75°F (24°C) and the sea temperature is approximately 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!
