Untungjawa Island, Indonesia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Untungjawa Island is known for its beautiful beaches and vibrant marine life, making it a popular destination for beach tourism and water activities. The best time to travel to Untungjawa Island, Indonesia, is during the dry season from May to September, when the average air temperature is around 28-30°C (82-86°F) and the water temperature is approximately 27-29°C (81-84°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!