Punat, Croatia offers 13 beaches perfect for sunbathing, surfing, swimming, and more. Punat is known for the Košljun Island, a small island with a historic Franciscan monastery and museum. The best time to travel to Punat, 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!