The Koh Chang Grand Lagoona Resort is on the south west coast of Kog Chang Island, just to the south of Koh Chang National Parkn The Koh Chang Grand Lagoona Resort is known as the floating hotel, as it is built upon a relaxing lagoon. It offers many leisure amenities such as a unsual floating pool and a host of watersport activities. Rooms are converted teak wood, floating barge boats.