Diving liveaboard in Thailand and Myanmar
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2025 Special Marine Biology Expedition in Thailand

8D7N expeditions to learn more about the coral reef inhabitants

​THIS SPECIAL ITINERARY IS NOT AVAILABLE NOW.
WE INVITE YOU TO VISIT OUR “SCHEDULE AND PRICES” PAGE, WHERE YOU’LL FIND ALL OUR SCHEDULED ITINERARIES.

The Smiling Seahorse also regularly organise Marine Biology expeditions like the one described below.
Get in touch to know more.


[email protected]

Diving in Thailand for 6 days and 5 nights
The Smiling Seahorse team has partnered with a team of marine biologists to offer you a more educational expeditions, which ​will combine the best aspects of liveaboard diving with daily marine biology presentations!

What's special about this Marine Science expedition?

Not only you will dive on some of the most beautiful dive sites in Thailand, but you will share this cruise with a fantastic marine biologist, Piers Baillie, who will share with you some of his knowledge of the ocean wonders through daily presentations and can answer all the questions you may have about the reef ecosystem.
Beautiful coral reef in the Andaman Sea
Learn about the Symbiotic relationship between clownfish and their anemone
We may offer you the chance to also experiment Blackwater diving on this cruise once or twice if you are up for it!
There is no better way to discover how life begins in the ocean!
Not sure what blackwater is all about? Read about it here!
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Whale shark near Koh Tachai
Whale shark near Koh Tachai
Delicate coral reef inhabitants
Delicate coral reef inhabitants
Wonderful barril sponge
Andaman Sea coral reef is full of life!
Lionfish on the coral reef

Our boat: MV Smiling Seahorse, the newest liveaboard around!

Built by and for divers in 2018, the MV Smiling Seahorse is the newest dive boat currently cruising the Andaman sea

The Smiling Seahorse has been operating since 2012, both in Thailand and Myanmar with a new boat built in 2018.
Ocean preservation is very important to us and these "special expeditions" are an integral part of our sustainability strategy. 

We promote responsible diving, low impact tourism and also reduce/ reuse/ recycle as much as we can and offer (refillable) organic, reef friendly amenities onboard such as Reef friendly Soap, Shampoo and hair conditioner. We are proud to represent Thailand on Swim with Mantas "Responsible Operator Wall of Fame".

Our boat, MV Smiling seahorse, was built by and for divers and took its maiden voyage in November 2018.
We added all the "little extras" you may want on a new liveaboard: a spacious dive platform, a camera room, lovely lounge areas, a massive sun deck, 8 cabins for only 16 guests all with large windows and doors to the ocean.

We keep dive groups small and organise each group to stagger their diving times to ensure that the already spacious dive deck never has too many divers gearing up together. While your group is ready to jump in for a dive, the next group will be doing safety checks and the following group is still upstairs taking their last sips of water during their dive briefing. Everyone is a VIP on the MV Smiling Seahorse!
Equipment room on The MV Smiling Seahorse
Relaxing on the MV Smiling Seahorse
MV Smiling Seahorse photo room
Meeting time on the MV Smiling Seahorse
Buffet on the MV Smiling Seahorse
Sun deck on the MV Smiling Seahorse

Note: This itinerary is provided as sample itinerary and can be modified by The Smiling Seahorse based on weather forecast or other unforeseen circumstances.

The Smiling Seahorse

170 Ruangrat Rd, Tambon khao nivet, Mueang Ranong District, Ranong 85000​
Phone: +66860110614​
​Mail: [email protected]

www.thesmilingseahorse.com
Contact us on WhatsApp

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The Smiling Seahorse ​
  • TripAdvisor
Responsible Manta Tourism Operator
Picture
  • When & Where
    • Schedule and Prices
    • Destinations >
      • North Andaman Thailand >
        • Similan Islands
        • Surin Islands >
          • Richelieu Rock
        • The essential Underwater photo Guide to diving Thailand
      • South Andaman Thailand >
        • Phuket & Koh Phi Phi National Parks
        • Koh Lanta National Park
        • Koh Lipe and Tarutao National Park
      • Mergui Archipelago >
        • Liveaboard diving holiday in Myanmar
        • Burma's best dive sites
        • The Ultimate Underwater photo Guide to diving Burma
  • ABOUT
    • Our Boat >
      • Emergency equipments & procedures
      • DELICIOUS FOOD
    • Diving in Thailand in 2026-2027
    • Diving in Myanmar/Burma in 2026-2027
    • Blackwater diving in Thailand and Myannmar
    • Marine life in Thailand's Andaman Sea
    • Marine life in Mergui Archipelago
    • Dive Courses >
      • Learn to Dive
      • Continue diving education
      • Rescue diver
      • Professional Dive Courses
      • Hone your dive skills with a specialty course
      • Photo coaching in Thailand on the Smiling Seahorse
    • Guest Book
    • FAQ
  • Plan your trip
    • Our hotels recommendations
    • Khao Sok National Park
    • Taxi services >
      • Taxi services to and from Ranong
      • Taxi services to and from Phuket
      • Taxi services to Tap Lamu and Khao Lak
    • 10 things to do around Ranong
  • PROMO
    • HOT DEALS
    • * Special Expeditions >
      • 8D Mergui + Blackwater - 22nd Nov 2026 - BURMA
      • 2028- 8D Mergui + Blackwater - 12th Feb 2028
  • gallery
    • Photos
    • Videos
  • CONTACT
  • BLOG
    • Most popular posts