Tuan Chau, Vietnam offers 1 beach perfect for sunbathing, surfing, swimming, and more. Tuan Chau is known for Tuan Chau International Entertainment Center and its proximity to Ha Long Bay. The best time to visit Tuan Chau, Vietnam, is from October to April, with average air temperatures around 20-25°C (68-77°F) and water temperatures around 23-26°C (73-79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!