Porto Quadro, Italy offers 1 beach perfect for sunbathing, surfing, swimming, and more. Porto Quadro is known for its beautiful beaches and proximity to the Maddalena Archipelago National Park. The best time to travel to Porto Quadro, Italy, is from June to September, with average air temperatures around 75°F (24°C) and water temperatures near 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!