Sangi Sangi, Indonesia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Deal Island Historic, Maryland, United States, is known for its annual Skipjack Race and Festival, celebrating the region's maritime heritage. The best time to travel to Sangi Sangi, Indonesia, is from June to September, when the average air temperature is around 27-30°C (81-86°F) and the water temperature is approximately 28°C (82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!