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10/10 Based on 104 Divers
The Largest Liveaboard
All Cabins En Suite
Choice of Itineraries
Join Almost Any Day
MV Koon9

If you want an en suite cabin, a choice of itineraries to fit your holiday, Nitrox, and a huge new boat, then MV Koon 9 ticks all the boxes. You can join this boat for short or longer trips, and in a twin or double cabin. Plus you can dive at Similans & Richelieu Rock on the same trip.

Koon 9 is the largest Similan liveaboard, and can take up to 30 guests, but there's still plenty of space on board for eating, gearing up, or relaxing inside or out.

Liveaboard diving from : 17,900 THB per diver
Medium price range Medium
Type: Liveaboard
Dive boat departs from: Khao Lak
No. of Divers: 30
Nitrox is available on this boatNitroxEn Suite bathrooms are Available in all or some cabins Cabins have air conditioningCabins have air-conditioning Dive courses can be taken on this boat Free pickup are available from certain areas Suitable for families with children This boat has WIFI Vegetarian Food is available on this boat Double bed cabins are available This boat has a sun deck This boat can be chartered Plus 19 more features+19
DestinationsDurationTwinDouble
Koh Tachai, Richelieu Rock
( 6 dives)
2 Days
1 Nights
Twin17,900 THB Double17,900 THB
Richelieu Rock, Koh Tachai, Koh Bon
( 6 dives)
2 Days
1 Nights
Twin17,900 THB Double17,900 THB
Richelieu Rock, Surin Islands
( 6 dives)
2 Days
1 Nights
Twin17,900 THB Double17,900 THB
Similan Islands
( 6 dives)
2 Days
1 Nights
Twin17,900 THB Double17,900 THB
Similan Islands, Koh Bon, Koh Tachai
( 6 dives)
2 Days
1 Nights
Twin17,900 THB Double17,900 THB
Surin Islands, Richelieu Rock
( 6 dives)
2 Days
1 Nights
Twin17,900 THB Double17,900 THB
Similan Islands
( 7 dives)
3 Days
2 Nights
Twin19,900 THB Double19,900 THB
Koh Tachai, Richelieu Rock, Surin Islands
( 10 dives)
3 Days
2 Nights
Twin26,000 THB Double26,000 THB
Richelieu Rock, Surin Islands, Richelieu Rock
( 10 dives)
3 Days
2 Nights
Twin26,000 THB Double26,000 THB
Similan Islands, Koh Bon, Koh Tachai
( 10 dives)
3 Days
2 Nights
Twin26,000 THB Double26,000 THB
Similan Islands, Koh Bon, Koh Tachai, Richelieu Rock
( 10 dives)
3 Days
2 Nights
Twin26,000 THB Double26,000 THB
Surin Islands, Richelieu Rock, Koh Tachai, Koh Bon
( 10 dives)
3 Days
2 Nights
Twin26,000 THB Double26,000 THB
Similan Islands, Koh Bon, Koh Tachai
( 11 dives)
4 Days
3 Nights
Twin28,500 THB Double28,500 THB
Koh Tachai, Richelieu Rock, Surin Islands, Richelieu Rock
( 14 dives)
4 Days
3 Nights
Twin31,500 THB Double31,500 THB
Richelieu Rock, Surin Islands, Richelieu Rock, Koh Tachai, Koh Bon
( 14 dives)
4 Days
3 Nights
Twin31,500 THB Double31,500 THB
Similan Islands, Koh Bon, Koh Tachai, Richelieu Rock
( 14 dives)
4 Days
3 Nights
Twin31,500 THB Double31,500 THB
Similan Islands, Koh Bon, Koh Tachai, Richelieu Rock, Surin Islands
( 14 dives)
4 Days
3 Nights
Twin31,500 THB Double31,500 THB
Similan Islands, Koh Bon, Koh Tachai, Richelieu Rock
( 15 dives)
5 Days
4 Nights
Twin33,500 THB Double33,500 THB
Surin Islands, Richelieu Rock, Koh Tachai, Koh Bon, Similan Islands
( 17 dives)
5 Days
4 Nights
Twin39,000 THB Double39,000 THB
9/10 Based on 111 Divers
Richelieu Rock
Twin & Double Cabins
Best Dive Sites
New Schedule for 2025-2026
MV Lapat

MV Lapat has a nice balance of price, comfort & and experienced team. Twin & double air-con cabins for the best Similan liveaboard diving cruises.

Lapat's trips are flexible, meaning that you can join on any day, and stay for one, two or more nights.

Liveaboard diving from : 14,900 13,410 THB per diver
Budget price range Budget
Medium price range Medium
Type: Liveaboard
Dive boat departs from: Khao Lak
No. of Divers: 16
Nitrox is available on this boatNitroxEn Suite bathrooms are Available in all or some cabins Cabins have air conditioningCabins have air-conditioning Dive courses can be taken on this boat Free pickup are available from certain areas Vegetarian Food is available on this boat Double bed cabins are available This boat has a sun deck This boat can be chartered Plus 13 more features+13
DestinationsDurationTwinDouble En Suite
Koh Bon, Koh Tachai, Richelieu Rock
( 6 dives)
2 Days
1 Nights
Twin14,900 THB Double En Suite15,900 THB
Richelieu Rock, Koh Tachai, Koh Bon
( 6 dives)
2 Days
1 Nights
Twin14,900 THB Double En Suite15,900 THB
Richelieu Rock, Surin Islands
( 6 dives)
2 Days
1 Nights
Twin14,900 THB Double En Suite15,900 THB
Similan Islands
( 6 dives)
2 Days
1 Nights
Twin14,900 THB Double En Suite15,900 THB
Similan Islands, Koh Bon
( 6 dives)
2 Days
1 Nights
Twin14,900 THB Double En Suite15,900 THB
Surin Islands, Richelieu Rock
( 6 dives)
2 Days
1 Nights
Twin14,900 THB Double En Suite15,900 THB
Koh Bon, Koh Tachai, Richelieu Rock, Surin Islands
( 10 dives)
3 Days
2 Nights
Twin18,900 THB Double En Suite19,900 THB
Richelieu Rock, Surin Islands, Richelieu Rock
( 10 dives)
3 Days
2 Nights
Twin18,900 THB Double En Suite19,900 THB
Similan Islands, Koh Bon
( 10 dives)
3 Days
2 Nights
Twin18,900 THB Double En Suite19,900 THB
Similan Islands, Koh Bon, Koh Tachai, Richelieu Rock
( 10 dives)
3 Days
2 Nights
Twin18,900 THB Double En Suite19,900 THB
Surin Islands, Richelieu Rock, Koh Tachai, Koh Bon
( 10 dives)
3 Days
2 Nights
Twin18,900 THB Double En Suite19,900 THB
MV Lapat Special Offers Coming Up
10% discount
We have a lot of specials available for this boat. Please see the boat schedule for more details
9/10 Based on 45 Divers
Unbeatable Value
Great Schedule
Twin & Double Cabins
Flexible trips
Similan Quest

Similan Quest runs flexible trips that make the boat so popular with our guests. The boat spends all its time out at sea, and you can join by speedboat transfer on any morning of your choice.

Liveaboard diving from : 13,000 THB per diver
Budget price range Budget
Type: Liveaboard
Dive boat departs from: Khao Lak
No. of Divers: 18
Cabins have air conditioningCabins have air-conditioning Dive courses can be taken on this boat Free pickup are available from certain areas This boat has WIFI Vegetarian Food is available on this boat Double bed cabins are available This boat has a sun deck This boat can be chartered Beach transfers are available on this boat Plus 15 more features+15
DestinationsDurationQuad CabinTwin CabinDouble Cabin
Koh Bon, Koh Tachai
( 6 dives)
2 Days
1 Nights
Quad Cabin13,000 THB Twin Cabin13,500 THB Double Cabin13,500 THB
Koh Bon, Similan Islands
( 6 dives)
2 Days
1 Nights
Quad Cabin13,000 THB Twin Cabin13,500 THB Double Cabin13,500 THB
Koh Tachai, Surin Islands, Richelieu Rock
( 6 dives)
2 Days
1 Nights
Quad Cabin13,000 THB Twin Cabin13,500 THB Double Cabin13,500 THB
Richelieu Rock, Koh Tachai, Koh Bon
( 6 dives)
2 Days
1 Nights
Quad Cabin13,000 THB Twin Cabin13,500 THB Double Cabin13,500 THB
Similan Islands
( 6 dives)
2 Days
1 Nights
Quad Cabin13,000 THB Twin Cabin13,500 THB Double Cabin13,500 THB
Similan Islands, Koh Bon
( 6 dives)
2 Days
1 Nights
Quad Cabin13,000 THB Twin Cabin13,500 THB Double Cabin13,500 THB
Koh Bon, Koh Tachai, Surin Islands, Richelieu Rock
( 10 dives)
3 Days
2 Nights
Quad Cabin18,000 THB Twin Cabin18,500 THB Double Cabin18,500 THB
Koh Bon, Similan Islands
( 10 dives)
3 Days
2 Nights
Quad Cabin18,000 THB Twin Cabin18,500 THB Double Cabin18,500 THB
Koh Tachai, Surin Islands, Richelieu Rock, Koh Bon
( 10 dives)
3 Days
2 Nights
Quad Cabin18,000 THB Twin Cabin18,500 THB Double Cabin18,500 THB
Richelieu Rock, Koh Tachai, Koh Bon, Similan Islands
( 10 dives)
3 Days
2 Nights
Quad Cabin18,000 THB Twin Cabin18,500 THB Double Cabin18,500 THB
Similan Islands
( 10 dives)
3 Days
2 Nights
Quad Cabin18,000 THB Twin Cabin18,500 THB Double Cabin18,500 THB
Similan Islands, Koh Bon
( 10 dives)
3 Days
2 Nights
Quad Cabin18,000 THB Twin Cabin18,500 THB Double Cabin18,500 THB
Similan Islands, Koh Bon, Koh Tachai
( 10 dives)
3 Days
2 Nights
Quad Cabin18,000 THB Twin Cabin18,500 THB Double Cabin18,500 THB
Similan Islands, Koh Bon, Similan Islands
( 10 dives)
3 Days
2 Nights
Quad Cabin18,000 THB Twin Cabin18,500 THB Double Cabin18,500 THB
9/10 Based on 5 Divers
Just 8 overnight guests!
Safe & Stable
Richelieu Rock
Overnight Flexible Trips
MC Stingray

MC Stingray is a very large catamaran (twin-hull speedboat) that now offers overnight trips to the Similan Islands & Richelieu Rock. It is the perfect choice for anyone who wants to dive at the Similan Islands without joining large groups, because overnight no more than 8 guests stay on the boat.

Liveaboard diving from : 16,500 THB per diver
Medium price range Medium
Type: Liveaboard
Dive boat departs from: Khao Lak
No. of Divers: 8
Nitrox is available on this boatNitroxEn Suite bathrooms are Available in all or some cabins Cabins have air conditioningCabins have air-conditioning Dive courses can be taken on this boat Free pickup are available from certain areas Suitable for families with children Vegetarian Food is available on this boat This boat has a sun deck This boat can be chartered Beach transfers are available on this boat Plus 19 more features+19
DestinationsDurationBunk Bed cabin
Koh Bon, Koh Tachai, Richelieu Rock
( 6 dives)
2 Days
1 Nights
Bunk Bed cabin16,500 THB
Koh Bon, Richelieu Rock
( 6 dives)
2 Days
1 Nights
Bunk Bed cabin16,500 THB
Koh Tachai, Similan Islands
( 6 dives)
2 Days
1 Nights
Bunk Bed cabin16,500 THB
Richelieu Rock, Koh Tachai
( 6 dives)
2 Days
1 Nights
Bunk Bed cabin16,500 THB
Similan Islands
( 6 dives)
2 Days
1 Nights
Bunk Bed cabin16,500 THB
Similan Islands, Koh Bon
( 6 dives)
2 Days
1 Nights
Bunk Bed cabin16,500 THB
Similan Islands, Koh Bon, Koh Tachai
( 6 dives)
2 Days
1 Nights
Bunk Bed cabin16,500 THB
Koh Bon, Koh Tachai, Richelieu Rock
( 10 dives)
2 Days
1 Nights
Bunk Bed cabin24,500 THB
Koh Bon, Richelieu Rock, Koh Tachai
( 10 dives)
3 Days
2 Nights
Bunk Bed cabin24,500 THB
Koh Tachai, Similan Islands
( 10 dives)
3 Days
2 Nights
Bunk Bed cabin24,500 THB
Richelieu Rock, Koh Tachai, Similan Islands
( 10 dives)
3 Days
2 Nights
Bunk Bed cabin24,500 THB
Similan Islands
( 10 dives)
3 Days
2 Nights
Bunk Bed cabin24,500 THB
Similan Islands, Koh Bon
( 10 dives)
3 Days
2 Nights
Bunk Bed cabin24,500 THB
Similan Islands, Koh Bon, Richelieu Rock
( 10 dives)
3 Days
2 Nights
Bunk Bed cabin24,500 THB
Similan Islands, Richelieu Rock, Koh Bon
( 10 dives)
3 Days
2 Nights
Bunk Bed cabin24,500 THB
10/10 Based on 1 Divers
Great value
Nitrox available
Available all season
Most cabins en suite
Lucky Marine Liveaboard

Visiting the Similan Islands & Richelieu Rock in the high season, and then going to Racha & Phi Phi in the summer months, Lucky Marine Liveaboard offers great-value trips all year round. Most cabins have a private bathroom and all have air conditioning. 

Liveaboard diving from : 27,000 THB per diver
Budget price range Budget
Medium price range Medium
Type: Liveaboard
Dive boat departs from: Khao Lak & Phuket
No. of Divers: 24
Nitrox is available on this boatNitroxEn Suite bathrooms are Available in all or some cabins Cabins have air conditioningCabins have air-conditioning Dive courses can be taken on this boat Free pickup are available from certain areas This boat has WIFI Vegetarian Food is available on this boat Double bed cabins are available This boat has a sun deck This boat can be chartered Plus 15 more features+15
DestinationsDurationBudgetDeluxeMaster
Similan Islands, Koh Bon, Koh Tachai, Richelieu Rock
( 14 dives)
5 Days
4 Nights
Budget27,000 THB Deluxe32,000 THB Master35,000 THB
MOD_BOATFILTERSEARCH_PLEASE_WAIT

Average Rating 9.3/10 Based on 330 Diver Reviews for Liveaboards - 1 Night

MV Koon9
MV Koon9
MV Koon9
Jonathan
British
Review score: 10/10
Dived: 03 Apr 2026
Did a 3 day 2 nights living aboard dive trip.
Boat: Boat was in pretty good condition. Rooms were good enough, shower had hot water, pretty dope window view of the sea outside. All the gear tanks etc. were placed in an organized fashion, ready to go. The staff was insanely organized, whole boat running like a well-oiled machine.
Staff/Service: Great staff, service, divemaster (My man F was a cave diver!). All the gear is prepared for you for every dive, you can basically strap on your gear straightaway even if you don't remember what they're called/how they operate (I forgot how to put together my stuff, been a while). Lunch and dinner changes everyday it seems (had japanese one night lol). Unlimited cereal and non-alc drinks. A can of beer's only 80 baht. After every dive, they provide a dry towel (seperate from the towel for showering). Nice roof(?) where you can smoke and chill. The boat was barely rocking, if at all. Dope room with a switch and multiple controllers, board games, beanbags, movie/tv watching.
Diving experience: Our divemaster was able to adjust and give us some tips for various levels (some of my friends were beginners and some rescue divers etc.) Divemaster gives a brief before each dive, with a picture book of maps, where the dive is, types of marine life to expect, terrain etc. There was a second diver that had a nice camera and massive carbon fibre lights, took some really nice photos to share with us.

For my first diving trip on a boat, this set the bar pretty damn high. Worth every penny, wish my trip was longer.
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Fax: (+66 2 422 5259)

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Similan Islands Liveaboards Thailand: 9 out of 10 based on 973 scuba diver ratings.

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