Zuljana, Croatia offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Zuljana, Dubrovnik Neretva, Croatia, is known for its beautiful beaches and the nearby Vucine Bay, which is popular for snorkeling and diving. The best time to travel to Zuljana, Croatia, is from June to September, with average air temperatures around 75°F (24°C) and water temperatures around 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!