Arzachena, Italy offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Arzachena is known for the Costa Smeralda, a luxurious coastal area famous for its stunning beaches and upscale resorts. The best time to travel to Arzachena, Italy, is from May to September, with average air temperatures ranging from 20°C to 30°C (68°F to 86°F) and water temperatures around 20°C to 25°C (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!