Bontang Lestari, Indonesia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Bontang Lestari is known for its pristine beaches and vibrant marine life, making it a hidden gem for beach tourism in East Kalimantan, Indonesia. The best time to travel to Bontang Lestari, Indonesia, is from June to September, when the average air temperature is around 28°C (82°F) and the water temperature is approximately 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!