Arki, Greece offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Arki is known for its tranquil beaches and the nearby islet of Marathi. The best time to travel to Arki, Greece, is from May to September, with average air temperatures ranging from 25-30°C (77-86°F) and water temperatures around 22-25°C (72-77°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!