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General Information Dive trips & sites

General1-Scuba-Nation-CambodiaDeparting from our office on Koh Rong Sanloem island M'Pay Bay, the islands off the coast present some amazing diving with an incredible diversity of hard and soft corals, a large collection of reef fishes, larger pelagics further out and an enormous variety of macro-life. Between dives you can relax on the white sandy beaches or snorkel off the shore.

We run various day and overnight (2-day liveaboards) trips to the islands, and at Scuba Nation everything you need is included, there are no hidden costs. Our trips provide exclusive diving and we can promise you that the only other divers you see in the water will be the ones that came with you on the boat! No other operators dive such a large range of sites.

All of our dive sites around Koh Koun island are 10mins from our office in M'Pay Bay On Koh Rong Sanloem island in order to provide the best quality visibility available. We choose the dive sites for suitability depending on the experience of the divers, weather and prevailing wind. Most of the dive sites are fringe reef dives, best explored from a boat.

You can rent an underwater camera for the day to preserve your memories. Dive computers are available for daily rental.


Our team of multi-lingual Dive Masters and Instructors are Cambodia’s most highly qualified and experienced dive professionals with years of experience anticipating diver needs. With a commitment to only the best scuba safety and communications equipment, we operate to the highest international standards. Scuba Nation has a 100% safety record and all our staff are fully qualified PADI Professionals and trained in first aid.

Small Groups

Divers are not expected to load the boat or wash the gear or even change their tanks, although if you feel inclined I'm sure any help would be gratefully accepted by our DMs! Groups are kept deliberately small to ensure a truly personalised service: we take a max of 12 on overnight trips. Our DMs take a maximum of 4-6 people and accompany each dive unless otherwise requested.

The Boats

We have the only dedicated liveaboard dive boat operating in Cambodia. It is a 2 deck boat, equipped with fresh water shower, western toilet, cooking facilities, dining area, GPS, radio and fish-finder. We sleep on mattress beds on the lower and upper deck with sheets, blankets and pillows provided. There is nothing similar in Cambodia; please check out the photos on this page

Our daytrip boat is comfortably set up with plenty of shade and has a pleasant sundeck where you can relax after diving or snorkeling. We have a big kitting up area with lots of space for all your dive gear. The boat has 2 side entrances and the best dive ladders to allow you to easily exit the water after a dive. We have a western toilet on board and a fresh water shower to rinse off. please check out the photos on this page

The Diving

The best diving season in Cambodia is from late October to the end of June although we run all year round and some good diving can be had in the traditionally off-season months. Visibility typically ranges from 10-25 metres. The warm tropical waters are always between 27-31 degrees centigrade & the currents around the islands make it an ideal place for drift diving.

The diving around the closer islands tends to be fairly shallow, around 10-15 m unless you bring a spade! Many of the dive sites around Cambodia are still completely undived. There is a lot of hard and soft coral virtually untouched and the waters are great for macro photography, offering a wide variety of nudibranches, seahorses, octopus, worms, crustaceans, ascidians, holothurians, sea anemones and sponges. At the larger end of the scale, we have stingrays, moray eels, cobia, pelagics and whale sharks around December and May further out. Please check out the dive sites and photo gallery on this website for further info.

Scuba Nation only dive at the best sites, even if they take longer to get to and cost us more in fuel as we want to insure a memorable diving experience for each diver. Join us on the only 2 custom-built dive boats in Cambodia and enjoy exclusive diving in one of the last unexplored places on earth. Koh means island in Khmer. Choose a Koh in the right sidebar for more details.

Diving in Cambodia is an experience you will never forget. Although it is one of the cheapest places in the world to dive, you aren't giving up any measure of safety, professionalism, quality of instruction or great diving locations.