Sint Willibrordrus, Curacao offers 1 beach perfect for sunbathing, surfing, swimming, and more. Sint Willibrordrus is known for the stunning Playa Porto Mari beach and the nearby Flamingo Sanctuary. 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!