This Kayak, Hike, and Snorkel Adventure is the best way to explore the Mangrove Lagoon in St. Thomas as well as the island of Cas Cay. With an expert guide leading you the way, delve deep and learn about the unique mangrove ecosystem brimming with wildlife both above and below the water. Kayak through the narrow waterways of the mangrove trees, hike to volcanic cliffs and a rare geological blowhole, and snorkel among coral reefs, keeping your eyes peeled for stingrays and other marine life.