Mentok, Indonesia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Mentok, Bangka Belitung Islands, Indonesia, is known for its historical significance as the site of the Menumbing Heritage Hotel and the Tin Museum. The best time to travel to Mentok, Indonesia, is from May to September, with average air temperatures around 27°C (81°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!