Kayu Besi, Indonesia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Kayu Besi is known for its proximity to the beautiful beaches and tin mining history of the Bangka Belitung Islands. The best time to travel to Kayu Besi, Indonesia, is from May to September, with average air temperatures around 27-30°C (81-86°F) and water temperatures approximately 28-29°C (82-84°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!