Ko Haa
Ko Haa, which means ‘Five Islands’ in Thai, is a group of five limestone karst islands offering spectacular diving with great year-round visibility and diving conditions.
There are over 12 different dive sites to choose from at Ko Haa, offering almost every kind of diving that you can imagine.
From the shallow lagoon area, which is great for teaching students in, to large caverns and swim throughs, drop-offs, ridges, walls and more, Ko Haa is a great place to gain experience as you train to become a PADI Divemaster or PADI Dive Instructor.
Ko Haa’s highlights include The Lagoon, The Cathedral, and other caverns, inter-connected chambers and swim-throughs. We make trips to Ko Haa every day during high season on board our luxury dive boat MV Moskito.
One of Ko Haa’s highlights is a series of caverns and swim-throughs. The largest cavern has three chambers and is known as The Cathedral. The first two chambers are connected by a shallow swim through at about 9 metres and, if conditions are right, you can surface in the smaller of the two chamber to marvel at the stalactites hanging down from the ceiling and the beautiful light streaming in from the entrance below.
Ko Haa Island #1 (Ko Haa Nung) has various chimneys and other systems to explore. Here you can find banded sea snakes, lionfish, nudibranches, frogfish, harlequin shrimps, many other crustaceans and beautiful cowries. If you take a look out into the blue, you can find huge schools of silverside fish, glassfish, barracudas and travellie.
The crystal clear waters and consistent visibility of 25m+ make Ko Haa an un-forgettable diving destination.
The dive sites at Ko Haa offer beautiful scuba diving and snorkelling with truly amazing visibility. Diving at Ko Haa is suitable for divers of all levels.
Please visit the Liquid Lense Flickr photostream to view more of our underwater images of Ko Haa.
The marine life found at Ko Haa varies from rare Ghost Pipefish measuring only a few centimetres, to an abundance of Octopus hiding amongst the rocks and crevices. A Hawksbill Turtle is often seen swimming amongst the pristine coral. Manta Rays, Marble Rays, Eagle Rays and even Whale Sharks are spotted here occasionally, there are also some extremely friendly little Porcupine Puffer Fish, ready to make your acquaintance in the large, sandy bay area.
You can’t predict exactly what you’ll see, but it’s always a pleasant and rewarding surprise!
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We keep group sizes small to ensure you get the most out of each dive. This also reduces impact on our reefs. Our emphasis is on safety, fun and personal service within a relaxed and stress-free environment. You’ll find the atmosphere and service on our dive boats, beyond anything you have experienced before!
Dive Site Map of Ko Haa

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