Sanjai, Indonesia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Sanjai is known for its beautiful beaches and vibrant marine life, making it a popular destination for beach tourism. The best time to travel to Sanjai, Indonesia, is from May to September, with average air temperatures around 28°C (82°F) and water temperatures near 27°C (81°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!