Kozarica, Croatia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Kozarica is known for its tranquil coastal setting and proximity to the natural beauty of Mljet National Park. The best time to travel to Kozarica, 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!