Costa Rei, Italy offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Costa Rei is known for its stunning beaches like Scoglio di Peppino and Cala Sinzias. The best time to travel to Costa Rei, Italy, is from June to September, with average air temperatures around 75-85°F (24-29°C) and water temperatures around 72-79°F (22-26°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!