Marmaris, Turkey offers 9 beaches perfect for sunbathing, surfing, swimming, and more. Marmaris is known for its stunning Marmaris Castle, vibrant Marmaris Marina, and the scenic Marmaris National Park. The best time to travel to Marmaris, Turkey, is from May to October, when the average air temperature is around 25-30°C (77-86°F) and the water temperature is approximately 23-27°C (73-81°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!