Take a day trip to Cham Island, a UNESCO World Biosphere Reserve in Vietnam. Meet a variety of sea creatures and teeming coral reefs up close when you go sea walking. Explore the tropical destination's underwater reserves as you snorkel deep into its rich coastline. Enjoy a lunch of authentic Vietnamese dishes at Bai Chong Beach. Finally, sail conveniently between Hoi An and Cham Island onboard an efficient speedboat transfer.