Caddebostan, Turkey offers 1 beach perfect for sunbathing, surfing, swimming, and more. Caddebostan, Istanbul, Turkey, is known for its vibrant Bagdat Avenue, Caddebostan Beach, and the Caddebostan Cultural Center. The best time to travel to Caddebostan, Turkey, is from late May to early October, with average air temperatures ranging from 20°C to 30°C and water temperatures around 20°C to 25°C. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!