Kantia, Greece offers 1 beach perfect for sunbathing, surfing, swimming, and more. Kantia is known for its proximity to the ancient theater of Epidaurus and the historic city of Nafplio. The best time to travel to Kantia, Greece, is from May to September, with average air temperatures ranging from 75°F to 85°F and water temperatures between 72°F and 79°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!