Eresos, Greece offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Eresos is known for the birthplace of the ancient poet Sappho and its beautiful beaches. The best time to travel to Eresos, Greece, is from late May to early October, with average air temperatures around 75°F (24°C) and water temperatures near 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!