Porto Kagio, Greece offers 1 beach perfect for sunbathing, surfing, swimming, and more. Porto Kagio is known for its picturesque bay and proximity to the historic Mani Peninsula in the Peloponnese, Greece. The best time to travel to Porto Kagio, Greece, is from June to September, when the average air temperature is around 25-30°C (77-86°F) and the water temperature is approximately 23-26°C (73-79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!