Tribulje, Croatia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Tribulje, Primorje Gorski Kotar, Croatia, is known for its proximity to the scenic Krk Island and the historic town of Vrbnik. The best time to travel to Tribulje, Croatia, is from June to September, with average air temperatures around 75°F (24°C) and water temperatures about 72°F (22°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!