The largest of the five limestone islands west of Koh Lanta in Mu Koh Lanta National Marine Park, Koh Ha is truly a tropical paradise. No wonder that fishermen and sea gypsies felt so at home there in the past. The full lushness of the natural beauty is picturesque and invites you to dream. Those who prefer to jump into the water should not forget their diving goggles, because the real life of this island takes place under water.

The Koh Ha Islands have some amazing underwater caves. You can safely enter the caves through their large entrances. The best time to dive into the caves is at sunrise, when sunlight bathes the water a gorgeous emerald hue. The natural light that shines through the underwater caves creates a magical experience that is difficult to put into words. Two of the three caves are connected by a large round swim-through channel. The third cavern is the largest and is often referred to as the Cathedral.
.