Mali Ston, Croatia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Mali Ston, Dubrovnik Neretva, Croatia, is known for its historic Walls of Ston and its renowned oyster farms. The best time to travel to Mali Ston, Croatia, is from May to September, with average air temperatures ranging from 70-85°F (21-29°C) and water temperatures around 70-77°F (21-25°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!