South Siam 3

South Siam 3

South Siam 3 ⇒ Check prices

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(17 votes, 3.12/5)
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Expensive, and Luxury!

Learn more about the South Siam 3 boat in our review

South Siam 3 dive boat review

The 30 meters South Siam 3, also called Somboon 3, is a liveaboard operating in Thailand. Indeed, the dive boat offers flexible itineraries including the best dive sites of Thailand such as the Similan Islands, Koh Bon, Tachai, Surin and Richelieu Rock.

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Boat Cabins & Layout

The South Siam 3 can cater to a maximum of 28 guests on each journey to the Similan Islands. Indeed, with a total of 14 cabins, there’s plenty of space for all the divers and non-divers. More specifically, there are 12 cabins with side by side twin-beds and 2 staterooms displaying double beds. The cabins are all air-conditioned and each has a certain storage capacity, electrical sockets and reading lights. Furthermore, there are 6 hot water shower bathrooms which are shared between all the guests.

Visit this page to compare liveaboard & prices for Thailand!

cabin south siam 3 somboon 3 liveaboard diving thailand

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South Siam’s On-board Facilities

The main social areas on the South Siam 3 are located both on the upper and top deck. Indeed, the upper deck is home to a spacious living room area which is fitted with a complete audio/video entertainment system. Furthermore, towards the aft you’ll find the covered dining area featuring plenty of space to sit everyone comfortably. Finally, there no doubt that the very top sundeck is a favorite spot to relax and enjoy the surrounding views of Thailand. Of course, there’s plenty of loungers for you to relax on!

south siam 3 somboon 3 liveaboard diving thailand

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Scuba Diving with the South Siam 3 (Somboon 3)

First, among the same fleet is also the South Siam 4, which is very similar both in size and style. Now, the South Siam 3 welcomes a whole bunch of divers but the scuba diving operation seems well organized. The dive deck is spacious and fitted with individual kitting up stations and personal boxed storage.

south siam 3 somboon 3 liveaboard diving thailand

Moreover, at the aft of the dive deck you’ll find a very convenient swim platform. Indeed, it’s fitted with ladder and helps a lot with water entries and exits. Also, you’ll find all the rinse tanks you need and even fresh water showers right on the dive platform. Finally, all you have to do is enjoy and rely on the professional and experiences dive masters leading the operation!


Please visit the vessel’s website for schedules and prices.  

Where does this liveaboard dive boat go?

Check out the fabulous places where this dive boat travels to.
Note: some destinations may not be listed below, please enquire for more details.

Khao Lak

Khao Lak

Starting point of many liveaboards to dive the Similan and Surin Islands. Khao Lak has also good local diving sites.

Khao Lak Diving Review

Surin Islands

Surin Islands

Large Pelagics, Manta rays and Whale Shark if you are lucky all in a superb remote area!

Surin Islands Diving Review

Similan Islands

Similan Islands

Great Biodiversity and fauna. Excellent chances to spot the giants Manta rays and Whale Sharks. Superb Scenery of tropical islands! Good spot for underwater photography.

Similan Islands Diving Review

Phuket

Phuket

Access to the best diving areas of the Andaman Sea and starting point of many liveaboards to Similans and Surin Islands! Good place for cheap diving courses.

Phuket Diving Review

Koh Phi Phi

Koh Phi Phi

Amazing Marine life in a very scenic surrounding. Perfect starting point to explore the world class dive sites of the Andaman Sea!

Koh Phi Phi Diving Review

Koh Lanta

Koh Lanta

Excellent Marine life with good chances to spot Leopard sharks, Manta Rays and even a Whale Shark!

Koh Lanta Diving Review

Koh Tao

Koh Tao

Diving hub of Thailand to learn how to dive. Cheap and easy diving on a beautiful island.

Koh Tao Diving Review

Thailand

Thailand

Thailand is renowned for its beautiful beaches and amazing dive sites. The country offers some of the best diving in the world with the famous Similan Islands and many other amazing spots like Koh Phi Phi and Ko Lanta islands in the Andaman sea.

Thailand Diving Review

Other Liveaboard Reviews in Similan Islands & Thailand

MV Oktavia

MV Oktavia

The 30 meters Oktavia is a liveaboard operating in Thailand, more specifically cruising to the Similan Islands. Indeed, the sturdy vessel promised a nice calm voyage on the Andaman Sea. . Boat Cabins & Layout The Oktavia welcomes a maximum of 20 gu

MV Oktavia Liveaboard Review

MV Pawara

MV Pawara

Pawara photo gallery: operator imagery supplied through LiveAboard.com. Photos are undated; the confirmed cabin allocation governs your booking.

MV Pawara Liveaboard Review

South Siam 4

South Siam 4

Thailand · Similan Islands & Richelieu Rock · Updated 9 November 2026

South Siam 4 Liveaboard Review

Andaman Tritan

Andaman Tritan

The 24.5 meters Andaman Tritan is a liveaboard offering scuba diving cruises to the Similan Islands, Tioman and Anambas & Igara. The vessel offers different lengths & itineraries depending on the destination. . Boat Cabins & Layout The Anda

Andaman Tritan Liveaboard Review

Gentle Giant

Gentle Giant

Gentle Giant makes room for both halves of Thailand’s Andaman Sea. Her four-night cruises concentrate on the Similans and northern pinnacles; selected six-night journeys continue south to Koh Haa and Hin Daeng–Hin Muang. That longer trip is the interes

Gentle Giant Liveaboard Review

Sawasdee Fasai

Sawasdee Fasai

Sawasdee Fasai is a good boat for divers who like a full day underwater and room to spread out afterwards. Four nights carry the trip from the Similans’ granite scenery to the northern pinnacles, with Richelieu Rock given a full day in the sample progr

Sawasdee Fasai Liveaboard Review

MV Smiling Seahorse

MV Smiling Seahorse

Photos: Smiling Seahorse operator gallery via LiveAboard.com.

MV Smiling Seahorse Liveaboard Review

The Junk

The Junk

A unique experience, The Junk “June Chian Lee” (“Respect Wind Travel Forever”) was originally built and launched in 1962. Unlike any other diving vessel touring the Indian Ocean around Thailand, The Junk was originally a working ship manufactured to ca

The Junk Liveaboard Review

Thailand Master (The Phinisi)

Thailand Master (The Phinisi)

Photos: Thailand Master operator gallery via LiveAboard.com.

Thailand Master (The Phinisi) Liveaboard Review

Bavaria

Bavaria

Bavaria is a good boat for divers who like having a proper cabin choice and plenty of diving on the calendar. Built in Thailand in 2016, this 28 m liveaboard carries up to 24 guests in 12 air-conditioned cabins. Ten cabins have private bathrooms; the t

Bavaria Liveaboard Review

Dive spots reviews in Similan Islands & Thailand

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Koh Tachai, the Dome is a superb Diving Site of the Surin Islands! The marine life is teeming and the spot is famous for...
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Phuket Shark Point is one of the best scuba diving spots around Phuket Island. The site consists of three pinnacles at d...
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Elephant head dive site is the most famous spot of the Similan Islands. The name comes from the shape of the rock at the...
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Ko Haa 4 dive site is situated not far from Ko Haa 3-the Lagoon. There is a superb wall going down to 30 m deep. The cor...
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The Bon Soong Wreck is located in the Koh Surin Marine National Park. It is a former old tin dredger which sank in 1985....
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Richelieu Rock is quite simply one of the best dive sites in the World and no doubt the best diving site in Thailand! Th...
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The Fantasea Reef dive site is one of the best spots of the Similan archipelago. It is located a bit offshore off the we...
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Ko Haa Nua 1 - the Chimney dive site is located on the South side of Ko Haa Nua Island. There is a cave with the entranc...
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Beacon point dive site offers the chance to spot many stingrays, reef sharks and also the beautiful leopard shark. It is...
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The Hide Away Bay dive site is located a bit further South West of Anita's reef. It is sometimes called Barracuda Point....
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