Erineos, Greece offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Erineos is known for its proximity to the picturesque Gulf of Corinth and the historic Rio-Antirrio Bridge. The best time to travel to Erineos, Greece, is from May to September, with average air temperatures around 75°F (24°C) and water temperatures around 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!