Montalto Marina, Italy offers 1 beach perfect for sunbathing, surfing, swimming, and more. Montalto Marina is known for its beautiful beaches and proximity to the ancient Etruscan city of Vulci. The best time to travel to Montalto Marina, Italy, is from June to September, when the average air temperature is around 75°F (24°C) and the water 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!