Sibuluan Indah, Indonesia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Sibuluan Indah is known for its beautiful beaches and serene coastal environment. The best time to travel to Sibuluan Indah, Indonesia, is from May to September, with average air temperatures around 28°C (82°F) and water temperatures near 29°C (84°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!