Ko Muk is a small island located in the Andaman Sea, part of the Trang Province in Thailand. Known for its stunning beaches and clear waters, it is a popular destination for tourists seeking a tranquil getaway. The island features lush greenery and offers various activities such as snorkeling and kayaking. One of the main attractions on Ko Muk is the famous Emerald Cave, a hidden lagoon accessible by swimming through a dark tunnel. This natural wonder draws visitors who want to experience its unique beauty. The island's laid-back atmosphere makes it an ideal spot for relaxation and exploration.