A must-do is to explore the coral garden which is under the surveillance of the Royal Thai Navy. This undersea spot is utterly unspoiled. At the far end of the array of buoys is the swimming zone where sea anemones are abundant as well as beautiful fishes such as tiny clown fishes. A one-day trip to Koh Kham needs to be booked in advance to protect overcrowded tourist which will affect the environment such as growing coral