Koh Lanta Diving – The Underwater Caves and Caverns of Koh Haa Adam & MeghanDecember 21, 2015 Koh Haa turned out to be the hidden gem of our scuba diving adventures in Southern Thailand. While we originally made the trip to Koh Lanta to dive Hin Daeng an... AdventuresBy SeaDestinationsFeaturedThailand