Elios Proni, Greece offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Elios Proni, Ionian Islands, Greece, is known for its proximity to the stunning Myrtos Beach and the ancient ruins of Sami. The best time to travel to Elios Proni, Greece, is from June to September, with average air temperatures around 77°F (25°C) and water temperatures about 75°F (24°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!