South Siam 4 liveaboard acts as a static Similan Diving platform operated by South Siam Divers, so the beauty is you can get on and off of the boat whenever you like.

South Siam 4 visits Koh Tachai & Richelieu Rock as well as the Similan Islands and Koh Bon. South Siam 4 dives around the Similans every day of the week except Wednesdays and Sundays when she visits Koh Bon, Koh Tachai and Richelieu Rock for the day.

On South Siam 4 you can get on and off the boat 5 days a week. You can basically join South Siam 4 any morning except Wednesdays and Sundays. You can also stay on South Siam 4 as long as you want, but you cannot leave the boat on a Wednesday or Sunday.

To visit the amazing dive site of Richelieu Rock & Koh Bon where you will get the chance to see Manta Rays & the possible change of a Whale Shark you will need to join South Siam 4 the day before or after a Wednesday or Sunday.

South Siam 4 departs from Phuket in the early morning by minibus to Tap Lamu, Khao Lak (approx. 2 hours transfer) where she is moored.After arrival you will be transferred by speedboat to South Siam 4. For a briefing and cabin allocation.

  • Destination: Similans, Koh Bon & Richelieu Rock

  • Max Customers: 10 divers

  • Cruise Speed: 10 knots

  • Length: 28m

  • Beam: 6,5m

  • Cabins: 14 cabins, 10 twin share & 4 double cabins

  • Private Facilities: No, but 6 bathrooms are onboard

  • Onboard Facilities: Sundeck, lounge with TV / DVD

  • Nitrox Available: No

  • Available Food: Thai & European

  • Onboard Safety: First aid box, oxygen, dinghy, fire extinguishers & life jackets

  • Instruments: GPS, depth sounder, mobile phone & radio

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