Hantu Island, Singapore offers 1 beach perfect for sunbathing, surfing, swimming, and more. Hantu Island is known for its rich marine biodiversity and popular snorkeling and diving spots. The best time to travel to Hantu Island, Singapore, is from February to April, when the average air temperature is around 27-31°C (81-88°F) and the water temperature is approximately 28-30°C (82-86°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!