Iyidere, Turkey offers 1 beach perfect for sunbathing, surfing, swimming, and more. Iyidere is known for its proximity to the scenic Firtina Valley and the historic Zil Castle. The best time to travel to Iyidere, Turkey, is from June to September, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 23°C (73°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!