Sint Willibrordus, Curacao offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Sint Willibrordus is known for the stunning Flamingo Sanctuary and the picturesque Playa PortoMari beach. The best time to travel to Sint Willibrordus, Curacao, is from December to April, with average air temperatures around 80°F (27°C) and water temperatures near 79°F (26°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!