Andaman Sea Liveaboard Thailand and Burma
Dive off the beaten track at the most beautiful sites of Thailand and Myanmar!
Reef friendly and photographers ready liveaboard!
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We are a reef-responsible dive operator respectful of nature and particularly well suited to accommodate underwater photographers.
Located on the Thailand / Burma border, at the port of Ranong, The Smiling Seahorse offers diving cruises in the Andaman Sea from the Mergui Archipelago in Burma to Koh Lipe in the south of the Andaman Sea in Thailand, close to the Malaysian border , passing through the Surin and Similan Islands.
Operating since 2012... We organize day trips and liveaboard dive cruises from 5 to 9 days from Ranong, Khao Lak and Phuket in Thailand. Every cruise includes breathtaking sites, flawless onboard service, outstanding local and international cuisine 4 times a day, and lifelong memories. We are extremely proud to be recognized as one of the best in the area and share our love of the sea with a tight-knit community of equally passionate divers. |
Reef-friendly organic products are available on board
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New exclusivity for advanced divers!Black Water diving option now on all our cruises!
Although we have now heard of Blackwater diving for a few years, it is not yet developed in Thailand and I only tried it for the first time 2 years ago from our boat in the Similan Islands ( Thailand), and guess what? ... we loved it! We now invite you to try this new way of night diving with us ... Here is a little video introducing what is Blackwater diving |
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More details about our dive cruise holidays
Established in the Thai border town of Ranong, this was an obvious choice for the headquarters of The Smiling Seahorse Dive Center. Setting up shop in this little known place allows us quick and easy access to the best dive sites in both Burma and Thailand.
Diving in Thailand is particularly exceptional, in the national parks of the Surin and Similan Islands where we only visit the best sites. We like to go to the Surin Islands, which are much less visited; as well as Koh Bon and Koh Tachai, the best dive sites north of the Similans.
In the part south of Phuket, we visit the national parks of Koh Phi Phi, Koh Lanta (Hin Daeng Hin Muang, Koh Ha), Taruato (including Koh Lipe, the most famous island of the park).
Diving in Burma, a new adventure...
Burma, now known as Myanmar, offers an off-the-beaten-track playground for adventure seekers.
One of the reasons why we love to dive there so much is the diversity of the underwater life in Myanmar as well as the Diversity of the dive sites of the Mergui Archipelago and the secrets of the Burma Banks on the edge of the continental shelf where you will not see. no other dive boat for days.
Are you curious about what other magnificent creatures you can find while diving in Burma? Check out our page dedicated to Diving in Burma
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Watch our YouTube videos
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Find us on social media for more pics of our Dive cruises in Thailand and Myanmar |
THANKS FOR YOUR KIND REVIEWS!
"Exceptional service and unforgettable dives"
by Daniel H – January 30, 2026
The Smiling Seahorse delivers excellence on every level. The crew is professional, kind, and extremely attentive.
Every dive was perfectly organized, safe, and spectacular. The boat is beautiful, comfortable, and spotless.
Food was delicious and plentiful. This trip exceeded all expectations. Highly recommended.
★★★★★
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"Perfect liveaboard experience from start to finish"
by Claire M – February 3, 2026
Absolutely outstanding experience. The boat is comfortable, well designed, and very clean.
The crew is fantastic, friendly, and highly professional. Diving was superb, with amazing marine life
and perfect organization. Every detail is taken care of. Simply flawless.
★★★★★
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