Similan Islands Liveaboard


Similan Islands Liveaboard

Welcome to Oktavia Dive Center – home to our wonderful Similan Islands Liveaboard Vessel MV Oktavia.  Let us take you on a magical trip to the best scuba diving sites in Thailand.  For the past 10 Years our Khao Lak Diving Center has been providing our guests with unforgettable Similan Islands Diving Cruises.

Throughout the Similan Islands diving season we offer a flexible choice of Similan Islands Liveaboard Cruises to fit your schedule and budget.  Our Scuba Schools International Khao Lak Diving Center also offers a full range of Dive Courses on-board.  So, Whether you would like to learn to Dive or have been thinking to extend your diving skills, we have the course for you!

MV Oktavia – Similan Islands Diving

Oktavia Dive Center own and operate our dedicated Khao Lak Diving liveaboard vessel – MV Oktavia.  MV Oktavia is 30 metres long and 6.5 meters wide which makes her one of the largest Similan Islands Liveaboard vessels operating out of Khao Lak.  This makes her a very stable platform while we cruise through the Similan and Surin National Marine Parks.  Her size also allows plenty of room for all our guests to relax and enjoy the scenery between dives.  Due to our spacious cabins and plenty of delicious freshly prepared food you can be sure to be well catered for.  All great reasons to join us as we discover why Similan Islands Diving is widely considered to be the best diving in Thailand!

We welcome everyone who has a love of the water, marine life, and nature.  Whether you are a:

      • Solo Traveller;
      • A Couple;
      • A Family or large group of Friends;
      • or even a whole Dive Club looking for a full dive boat charter.

We promise to do our utmost to arrange a unique and memorable trip to suit your needs.  Our highly trained Crew will ensure you receive the very best care and attention during your time with us.  We are very proud to have achieved the TripAdvisor Certificate of Excellence once again this year.  Which means you know you can book with confidence and trust!


CLICK THIS LINK to watch our 5 Minute Fly-through Video of our Similan Islands Diving Cruise on-board MV Oktavia.  Follow our cruise route, the Islands you’ll visit, and what you may see along the way!Google Earth Fly-Through






The Similan Islands Liveaboard and Khao Lak Diving Season

The Similan Islands Liveaboard and Khao Lak Diving season runs from 15th October through to the 15th May each year.  Our peaceful and scenic town KHAO LAK acts as the main gateway to the Similan and Surin Marine Parks.  Located just 60 kilometres north of Phuket Airport it is the perfect place to stay before and after your trip.

Similan Islands Diving Cruise Prices – Full Board

  • 5 Days/5 Nights – THB 27,900  –  Similan Islands, Koh Bon, Koh Tachai, and Richelieu Rock.
  • 4 Days/4 Nights – THB 23,900  –  Similan Islands, Koh Bon, Koh Tachai, and Richelieu Rock.
  • 3 Days/2 Nights – THB 21,500  –  Koh Bon, Koh Tachai, and Richelieu Rock.
  • 2 Days/2 Nights – THB 14,300  –  The Best of The Similan Islands.

Head to our PRICES AND AVAILABILITY to find our full price list, including options for Equipment Rental, Courses, and Cabins.


How to Book

By following the links through the images below it is easy to explore our website and discover our wonderful Similan Islands Diving Liveaboard offers for this Season.  Booking and further enquiries are easily managed through our Khao Lak Diving Center by heading to our CONTACT US page and completing the simple information form.

Click here to see our latest NEWS, PICTURES, and VIDEOS from our most recent trips.

Similan Islands Diving
Khao Lak Diving
Oktavia Dive Center