Smiling Seahorse, Thailand



  • Encounter manta rays, leopard sharks, macro critters
  • Spacious dive deck and dedicated photography room

Newly built for 2018, the Smiling Seahorse liveaboard offers fantastic dive trips to Thailand and Myanmar. The 3-night 'Best of Thailand' trip showcases some of the best dive areas in the Andaman Sea, including the Surin Islands, Richelieu Rock, Koh Tahcai & Koh Bon. The Myanmar dive trips are a fantastic way to explore this newly opened dive area and to get up close with manta rays, eagle rays, mobula rays, leopard sharks and cool macro critters such as frogfish, seahorses, and pipefish. The spacious dive deck at the back of the boat allows ample room for kitting up and gear storage and a dedicated photography room.

The Smiling Seahorse is 25m long and accommodates 16 divers over 4 decks. On the upper deck are 2 standard cabins with one double or two single beds and shared bathrooms. The 4 deluxe and 2 master cabins on the main deck have en-suite bathrooms, and all cabins feature air-conditioning. There is also an open-air dining room, a huge sun deck, and a camera station for photographers.

The experienced and professional crew of the Smiling Seahorse liveaboard offers a warm welcome. Book online today to reserve your space.

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Included: VAT, Drinking Water, Soft drinks, Tea & Coffee, Beach BBQ, Full-Board Meal Plan (All meals), Snacks, Diving Package, Kayaks, Naturalist Guide, Beach Towels, Cabin Towels, Deck Towels.

Required Extras: National Park Fees (30-300 USD per trip).

Optional Extras: Gratuities, Airport Transfer, Hotel Transfer, Alcoholic Beverages, Nitrox, Nitrox Course, Private Dive Guide (2,500 THB per day), Rental Gear (600 THB per day), Scuba Diving Courses, Land Excursions, Snorkel Gear.

Book now, pay later: You can easily place your booking online. We will then hold the spaces for you and you can confirm with a payment later.

* Extra fees are shown per person.

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Boat features

  • Laundry Service
  • Camera Station
  • Daily housekeeping
  • Audio & video entertainment
  • Library
  • Aircon Cabins
  • Sun Deck
  • Non-Diver (Snorkeler) Friendly
  • Warm Water Showers
  • Outdoor Dining
  • Camera room with table and charging point
  • Custom built for diving
  • Charging stations
  • En-Suite bathrooms
  • Non-Smoking Rooms
  • Family Cabins
  • Seaview Cabins
  • Rooms with Balcony
  • Kayaks On-Board
  • Separate Rinse for u/w Camera
  • Dedicated Local & International Crew
  • Nearly 1:1 Crew-to-Guest Ratio
  • Leisure Deck
  • Observation Deck
  • Bar
  • BBQ Area
  • Budget Friendly Cruise
  • Available for Charter

Food & Drinks

  • Western Food
  • Local Food
  • Vegetarian Options
  • Buffet style
  • Beer available
  • Snacks All Day
  • Vegan Options
  • Fine Wines Selection
  • Free Soft Drinks
  • Wine Available
  • Set Menu Dinner
  • Fine Cuisine
  • Al Fresco Dining

If you have any specific dietary requirements whilst on-board your cruise, you can add this to your special requests on step 2 of the booking form. We advise limiting these requests to religious beliefs or food allergies.


  • DIN Adaptors
  • Nitrox available
  • Rebreather Support
  • Rinse Hoses
  • Dive deck
  • Tenders for diving
  • Sidemount Diving
  • Shaded Diving Area

The crew speaks English, French, and Spanish.

Gear Rental

There is diving gear available on this boat. Please provide your rental needs on the booking form. See below for further details on inclusions and pricing. Show prices.

Drawings & Vessel Layouts

#deckplan floorplan

Boat Specifications

  • Year built 2018
  • Length 25 m
  • Max guests 16
  • Number of cabins 8
  • Number of bathrooms 8

Boat Navigation and Safety

  • Depth Sounder
  • GPS
  • Radio VHF/DSC/SSB
  • E.P.I.R.B. Distress System
  • Emergency Rafts
  • Life Vests
  • Fire Alarm & Fire Extinguishers
  • Oxygen
  • First Aid Kits
  • Fishfinder
  • Satellite & mobile phones
  • Bilge pump alarm
  • Search light
  • Engine room CCTV

Smiling Seahorse Reviews

  • 9.0 Superb
  • 18 Verified Reviews
  1. Vessel
  2. Crew
  3. Food
  4. Diving
  5. Value
  • 10 Exceptional
  • Rafael Cesar M
  • Brazil Brazil
Highly recommended

The experience with the Smiling Seahorse was amazing. The crew was super friendly and positive, and the schedules and processes were extremely organized. The cabin was comfortable, the food was great, and the dives were as good as they can get. I couldn't ask for a better experience. I will definitely book another expedition with the Smiling Seahorse team.

Recommended for
Crew friendliness, organization, dive sites
  • 9.6 Exceptional
  • Sebastian S
  • Germany Germany
Great experience

I can highly recommend the smiling seahorse. First and foremost, the entire crew is highly professional in all aspects of the operation. Briefings, operational procedures, tidinesses on the dive deck, execution of the dives and pick up back to the boat, all are done in a way to guarantee the utmost safety and comfort for the guests. I’ve been diving for more than 20 years and this has been one of the top operators I’ve had the pleasure to dive with. I can’t stress this enough: safe diving is the basis of a happy trip! Then there is the boat itself and the food: cabins were comfy, AC was very good (though it was also possible to sleep with the window open, which was very nice), the decks are set up really well, and the food was very good. Finally, and most importantly: the crew, from the deck hand to the dive leader, all were extremely friendly, approachable, and concerned with the safety, comfort and well-being of the guests. Thank you very much for making this a great trip!!

Recommended for
Professionalism, Friendliness, Cleanliness
  • 6.0 Review score
  • Frank D
  • Austria Austria
very good recreation without phone - I love the sea and diving

green monster

Recommended for
black water experience, sleeping on deck open air, diving
  • 10 Exceptional
  • lisa C
  • Canada Canada
Utterly terrific!

The meals were amazing as were the dive guides and the rest of the crew. Safety for divers was made a priority, and we felt well cared for on the Smiling Seahorse. A truly amazing dive operation epitomizing professionalism at its finest. Thank you so much for making one of our bucket list dive trips better than we could have ever imagined.

Recommended for
The crew, the food, and of course, the diving!
  • 8.4 Very good
  • Jukka P
  • Finland Finland
Passion for diving is contagious!

Schooling barracuda, schooling bat fish, Richelieu Rock,…

Recommended for
Great diving, passionate owner/operator and fantastic food
  • 9.6 Exceptional
  • brice L
  • France France
Great liveaboard in a region few other boats venture into.

I just spent 8 days onboard the Smiling Seahorse in the Mergui Archipelago (Myanmar). Franck & Camille run a top-notch operation here. The new boat (2nd season in the water) was designed and built by them, and they've done a brilliant job with the layout and all the little details that are important for us divers. She is a beauty! The cabins are comfortable with plenty of power sockets and storage space, and with a silent AC unit and ensuite bathroom/toilet (I stayed in a Deluxe Cabin). The sundeck is huge, shaded and great to relax on, as well as the upper deck that has plenty of tables and sofas. The fridges and bar area are always stocked with drinks, snacks and freshly brewed coffee. The main deck has a really well designed and spacious dive deck, making it super comfortable to gear up before and after each dives. There's a really big photo room for all the camera gear, with lots of power sockets. That's also where the kitchen and chef is located. The food on the boat is really delicious, varied and plentiful. To top it all up, the way the diving and dive groups are organized is perfect: first, you can do 4 dives a day, every single day. This means a night dive every day! I've never had that on any other liveaboards. And the dive groups are always small: maximum 4 divers per guide. On this trip we were only 9 clients so most groups were 2 divers per guide, and every group usually jumps in the water with enough intervals so you don't even meet on the dive sites. I believe this really is a great set-up: relaxed, intimate, personalized diving. You feel like you have the whole ocean to yourself (very few other liveaboards come to these waters). Franck and the guides (all instructors) are all super nice, warm and fun to hang with, and they are also very experienced, serious and knowledgeable divers/guides. There's a great vibe on the boat. All the dives are the regular 50bar and/or 50-60minutes. The local crew members and tenders are all super cool and very good at their jobs: the gear is always well taken care of, the tanks and Nitrox blending always spot on, the boat always drops you at the right spot to find the dive site, and all the decks are always clean and tidy. Now the diving: first we were quite unlucky this week with some pretty bad viz (usually 5 to 10 meters). Second, even though the archipelago is a no-fishing zone, this is not enforced at all and there are a lot of small fishing boats everywhere and on all the dive sites (nets, cages, lines). Despite that, the quantity of life on most sites is pretty amazing: incredibly healthy and thriving corals, countless reef fish, big schools of barracudas, trevallies, Jacks, etc.. We saw a lot of critters (nudibranchs, shrimps, crabs, seahorses....) as well as quite a lot of massive marble rays and stingrays. The topography at most sites we went to is breathtaking: dramatic pinnacles and walls, gorgeous coral gardens, boulder fields, swim-throughs and small caves. I can only imagine how incredible these sites would be with a better viz (that you do get!). Probably due to the combined bad viz and over-fishing, we didn't see many sharks or turtles, and no mantas (but they were spotted on multiple dives the week before us). But still, the diving was great and I can only recommend the Smiling Seahorse and the Mergui Archipelago! I will be back!

Recommended for
The boat, the crew, the diving
  • 9.2 Superb
  • julien F
  • Australia Australia
Amazing from start to end

We spend 4 nights 3 days on the Smiling seahorse , We arrived to this great new boat were everything is in perfect condition , clean and set to a perfect time on board Franck who is the owner also part of the journey have a friendly and professional approach and make us feel like home on board , dives were great living from Ranong our itineraries on the similar island was less busy that other operators. All together we have dives with other liveaboard for the similan islands but we recommend this one as our favourite

Recommended for
New boat , great choice of dive spot , very professional
  • 8.4 Very good
  • Patrick C
  • France France
Retour des mantas à Koh Bon !

Les plongées, les bon repas et les siestes 😀😀

Recommended for
Avoir pu voir les mantas tant attendues. La gentillesse de tout l’équipage. La bonne nourriture préparée par le chef et son second.
  • 9.6 Exceptional
  • Ingrid G
  • Austria Austria
es hat uns sehr gefallen

ich kann die Smilling Seahorse nur jedem empfehlen, es hat uns an nichts gefehlt. das Boot is gut organisiert, die Crew sehr freundlich und sehr hilfsbereit

Recommended for
kleine Gruppen (nur 4 Taucher pro Guide), viel Platz, tolle Crew
  • 8.4 Very good
  • Guillaume B
  • France France
Très chouette

Richelieu rock

Recommended for
L’équipage, la photo room, les sites de plongees