
MV South Siam 3 & 4 have a very flexible schedule more so than many other Thailand liveaboards. On South Siam boats you can come and go as you please with daily transfers to Similan Islands. Dive all the best diving sites including Richelieu Rock and Koh Tachai as well as Similan’s & Koh Bon.
- 28 divers + Day Trip Guests!
- Daily Departure
- Shared Facilities
- Large and pretty comfortable, but still a basic, lower budget boat
Cabins Schedule Itineraries Gallery Enquire / Book
Liveaboard Prices in Thai Baht
Similan Islands & Similans / Koh Bon
- Day Trip (2 dives) – 5,600 / diver
- 2 days/1 night (7 dives) – 12,900 / diver
- 3 days/2 nights (11 dives) – 16,900 / diver
Similan Islands, Koh Bon, Tachai, Surin and Richelieu Rock
- 3 days/2 nights (11 dives) – 20,900 / diver
- 4 days/3 nights (15 dives) – 24,900 / diver
- 5 days/4 nights (19 dives) – 28,900 / diver
Note: If you have not been diving within the last twelve months you may be required to do refresher dive with a private divemaster. Extra charge of 2,000 baht / diver.
What’s Included
- Dive guide.
- Tanks, weights & belt.
- All meals & drinking water.
- Return hotel transfers from Phuket main beaches (Patong, Kata, Karon) and central Khao Lak.
What Isn’t
- Scuba Dive Equipment rental.
- Alcohol & soft drinks.
- Towels
- Marine park fees.
- Transfers outside service area.
MV South Siam Info

The 2 MV South Siam Boats are more less identical and both accommodate Max twenty-eight overnight guests, plus day trip guest while staying around Similan Islands or Koh Bon Island. Both boats have 2 double cabins, which need to be booked well in advance plus 12 twin share cabins. All cabins are air-conditioned with shared facilities. On board of each boat are 6 bathrooms with hot showers.
All the food is freshly prepared and cooked on board that very day and served daily by South Siam’s on board chefs and assistants.
Sample Itineraries
Diving Day One
- Pick up between 6-7am in Phuket Island or 7:45 – 8am in Central Khao Lak area.
- Transfer to speedboat at Thap Lamu pier near Khao Lak.
- Speedboat to the Similan Islands to join the South Siam 3 or 4.
- Maximum 4 dives that day.
Diving Day 2,3,4… – 4 dives per day

Final Diving Day
- Maximum 3 dives on day of departure
- 15:00 transfer by speedboat to Thap Lamu (Khao Lak)
- Back in Phuket Island by about 18:30 (depending on hotel location).
Exact dive sites are decided on the day based on currents, weather, customer choice, big fish sightings etc. All trips on the South Siam start early – pick up time in Phuket is between 6 – 6:30am. Guests are transferred by minibus to the port of Thap Lamu, around 2 hours drive from Karon Beach, and there transfer to the speedboat for a 75 minute dash to the Similan Islands.
MV South Siam Schedules
Start any day you like and be able to dive the best dive sites in the Thailand Andaman Sea from Mid October to Early May.
MV South Siam 3
Monday | Thuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
---|---|---|---|---|---|---|
Surin & Richelieu Rock | Similan Islands | Koh Bon & Koh Tachai | Surin & Richelieu Rock | Similan Islands | Similan Islands | Koh Bon & Koh Tachai |
MV South Siam 4
Monday | Thuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
---|---|---|---|---|---|---|
Similan Islands | Similan Islands & Koh Bon | Surin & Richelieu Rock | Similan Islands | Similan Islands | Similan Islands & Koh Bon | Surin & Richelieu Rock |
Image Gallery
Specifications & Crew
Crew
- Captain.
- Engineer.
- Cook.
- Assistants.
- Boat Boys.
- Dive Team.
- Highly motivated and experienced Captain and crew.
- The dive staff are some of the most experienced in the Similan Islands.
Specs
- Length: 28 metres.
- Width: 6.5 metres.
- 12 Twin cabins.
- 2 Double bed cabins.
- Max: 28 guests sleeping
- Bathroom: 6
- Engines: 2 x Hino 420 HP
- Generators: 2 x 50KW and 1 x 10KW
- Compressor: 2
- Saloon and Sun Deck
- Emergency oxygen
- Plus two freshwater showers on the dive Plat form
Thailand Liveaboards – Contact Us Now!
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