DECEMBER 2015: Click here to read our Vietnam Retirement Reviews. Click here for detailed Cat Ba – Vietnam – GRANDPAcking Costs. Read about Vietnam Visa. OVERVIEW: I really enjoyed my time in Hoi An, but it was time to move on. I was looking forward to getting ‘more active’ in Cat Ba Island / Halong Bay. It was time for some ‘adventuring’, some kayaking, some trekking, and a trip by boat around Halong Bay. Cat Ba is the biggest island in Halong Bay and roughly half of the island is a National Park. GETTING THERE: To get from Hoi An to Cat Ba, I flew […]