Smiling Seahorse


8 Cabins
Gear Rental
Renovated in 2016
Built in 2008

We like to highlight

  • Accommodates up to 16 guests in 8 cabins
  • Dive trips in Thailand to Similan + Surin Islands, Koh Bon + Tachai, Richelieu Rock & Myanmar
  • 5 - 8 night itineraries are available
  • The crew speaks English and Thai

Choose your departure date

Price per trip per person
Error Book now to get this fantastic price. If you book later, there's a chance that cabins will be sold out on our site.

Boat Description

Smiling Seahorse accommodates 16 guests in 8 cabins. 2 standard cabins have doubles/twins and share bathrooms, whereas 4 master and 2 deluxe cabins have ensuites. The outdoor saloon has tables for enjoying your meals and to the rear, there is a large mattress - a prime spot for a nap! The sundeck has shaded and sunny areas, with hammocks to enjoy the views from. The dive deck has bathrooms, plenty of space, fin-friendly steps and a brand new dinghy for getting to dive sites. In addition, there is a dedicated camera room where you can maintain and look after your equipment. Smiling Seahorse sails around the Andaman Sea, in both Thai and Myanmar waters, on a variety of itineraries on the Mergui Archipelago. The ocean is a clear, turquoise blue and is so warm that wetsuits are often not necessary. Healthy reefs host a variety of macro, ideal for photographers, which include frogfish, pipefish, nudibranch and seahorse as well as bigger animals like leopard and whales sharks and eagle rays.

Diving Services


  • DIN Adaptors
  • Nitrox available
  • Rebreather Support
  • Rinse hosts
  • Dive deck
  • Tenders for diving
  • Sidemount Diving

Languages Spoken

  • English
  • French
  • Spanish

Boat Amenities

Boat facilities

  • 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

Onboard payments

  • Visa
  • Mastercard
  • USD
  • EUR
  • GBP

Food and Drink

  • Western Food
  • Local Food
  • Vegetarian Options
  • Buffet style
  • Beer available
  • Snacks All Day
  • Vegan Options

If you have specific diet requests 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. The liveaboard serves great food and you will be hungry after a full day of diving!

Vessel Layout

Vessel Layout

Fine Prints

Booking process

Select a dive itinerary that suits your date preferencs and a cabin of your choice and enter your personal information. Submit the booking request. Once the booking is processed, you will receive an email notification with all booking details conveniently laid out in PDF.

Payment and cancellation

  • More than 60 days out = 70 % refund
  • Between 45 and 60 days out = 50 % refund
  • Less than 45 days out = no refund


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.