Haci Yusuflar, Turkey offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Haci Yusuflar, Duzce, Turkey, is known for its proximity to the Samandere Waterfall and the Duzce Rafting Center. The best time to travel to Haci Yusuflar, Turkey, is from May to September, with average air temperatures around 25-30°C (77-86°F) and water temperatures around 22-26°C (72-79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!