Alimos, Greece offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Alimos is known for its beautiful beaches and the Alimos Marina, one of the largest marinas in Greece. The best time to travel to Alimos, Greece, is from May to September, when the average air temperature is around 75°F (24°C) and the water temperature is approximately 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!