Cat Ba Island is the biggest and one of the most visited islands in Ha Long Bay. Ha Long Bay and nearby islands (eg. Cat Ba Island) is one of the most visited places by foreign tourists in northern Vietnam. It is an fascinating place, but sometimes overcrowded by visitors. There are 4 ways how you can travel to Cat Ba Island. The best and fastest way is to take a direct bus from Hanoi to Cat Ba Island, or you can go to Ha Long City and from Tuan Chau Island (10 km from Ha Long city center) you have to take a ferry/boat to Cat Ba Island or you can go to Hai Phong and there you can take a speedboat to Cat Ba Island.