Costazul, Brazil offers 1 beach perfect for sunbathing, surfing, swimming, and more. Donja Vrucica, Dubrovnik Neretva, Croatia, is known for its picturesque landscapes and proximity to the Adriatic Sea. The best time to travel to Costazul, Brazil, is from April to September, when the average air temperature ranges from 20°C to 28°C (68°F to 82°F) and the water temperature is around 23°C to 25°C (73°F to 77°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!