Castiglione della Pescaia, Italy offers 17 beaches perfect for sunbathing, surfing, swimming, and more. Castiglione della Pescaia is known for its medieval fortress, pristine beaches, and the Diaccia Botrona nature reserve. The best time to travel to Castiglione della Pescaia, Italy, is from late May to early October, with average air temperatures ranging from 70-85°F (21-29°C) and water temperatures around 70-77°F (21-25°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!