Guardavalle Marina, Italy offers 1 beach perfect for sunbathing, surfing, swimming, and more. Guardavalle Marina is known for its beautiful beaches along the Ionian Sea and the nearby Serre Calabresi mountains. The best time to travel to Guardavalle Marina, Italy, is from June to September, when the average air temperature is around 25-30°C (77-86°F) and the sea temperature is approximately 24-27°C (75-81°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!