Explore the wildlife sanctuary and marine reserve mangrove lagoon in st thomas on your own and at your own pace with our self guided kayak tour the mangrove lagoon is a lush forest that grows in salt water with shallow winding waterways and tunnels there are many beautiful areas to explore between the inner mangrove lagoon and bird island guests who want an independent experience can discover on their own the beauty and serenity of the lagoon and narrow waterways between mangrove trees enco