Simpson Bay, Sint Maarten offers 9 beaches perfect for sunbathing, surfing, swimming, and more. Simpson Bay is known for its vibrant nightlife, pristine beaches, and the famous Princess Juliana International Airport where planes fly low over Maho Beach. The best time to travel to Simpson Bay, Sint Maarten, 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!