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Thailand has long had the reputation of being one of the best and most fun dive destinations in the world. There is no better way to take in the finest sites on offer than by a Similan Islands diving cruise along Thailand's spectacular west coast. Not only do these Phuket liveaboards take in some of its world-famous dive sites against the backdrop of stunning scenery, but they also represent great value for money dive trips.

The most popular Thailand liveaboards run to the diving capital of the country - the Similan Islands - where there are a range of dive boats, from cheap backpacker standard to top notch luxury. The tours visit these stunning islands along with sites further north that are frequented by larger marine life. Show more


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Diving Cruise Options


Other ways to experience the Similans include the Similans, Richelieu Rock & Hin Daeng itinerary which takes in Racha Yai, Hin Daeng, Hin Muang, the Simlans, Koh Bon, Koh Tachai and Richelieu Rock. These 5 or 6 night trips are much less frequent than the standard Similan trips and operated by fewer boats. If you fancy something a little bit different, you can join a 7 night cruise to the Similan Islands & Burma South. This option adds a number of dive sites in the waters of southern Myanmar to the Similan Islands, Koh Bon, Koh Tachai and Richelieu Rock.

Thailand has long been a favourite place among divers of all experience levels. You do not need to be a very experienced diver to join one of these charters. Conditions are generally manageable by all scuba divers who are comfortable in the water.

Click to view product. Special discounted trips highlighted in yellow
MV Andaman Tritan
From US$ 147 per day

Customer rating: Excellent!

26m / 86 ft
Max 16
Nitrox
  • Visits Similans, Richelieu Rock,...
  • Low season Indonesian cruises fr...
  • Most cabins have en-suite bathro...
  • Dive The World Gold Range produc...
  • Affordable option for 4 night cr...
MV Deep Andaman Queen
From US$ 166 per day

Customer rating: Excellent!

28m / 92 ft
Max 19
Nitrox
  • Visits Similans, Surin, Khao Lak...
  • All cabins have ensuite bathroom...
  • Dive The World Gold Range produc...
  • Master cabin with a TV/DVD playe...
  • Underwater cameras available
MV Giamani
From US$ 169 per day

Customer rating: Excellent!

24m / 79 ft
Max 10
Nitrox
  • Visits Similan, Richelieu Rock, ...
  • Trips of 2 to 6 nights
  • Maximum of 10 divers only
  • All cabins have ensuite bathroom...
  • Steel hulled boat
MV Hallelujah
From US$ 215 per day

Customer rating: Excellent!

35m / 116 ft
Max 25
Nitrox
  • Cruises the Similan Islands, Ric...
  • All cabins have ensuite bathroom...
  • VIP cabin for single traveller
  • Large boat with steel hull
MV Sawasdee Fasai
From US$ 176 per day

Customer rating: Excellent!

37m / 122 ft
Max 24
Nitrox
  • Cruises Similan, Richelieu Rock,...
  • Most cabins have private bathroo...
  • Dive The World Gold Range produc...
  • Master Suites have TV and video ...
  • Large boat with steel hull
MV South Siam III
From US$ 191 per day

Customer rating: Excellent!

30m / 99 ft
Max 28
  • Visits Similans, Koh Bon, Koh Ta...
  • Daily departures, popular choice...
  • Dive The World Gold Range produc...
  • Good option for snorkellers and ...
SY Diva Andaman
From US$ 365 per day

Customer rating: Excellent!

35m / 116 ft
Max 15
Nitrox
  • Cruises Similans, Richelieu Rock...
  • Cabins with private ensuite bath...
  • Complimentary bottle of champagn...
  • Sea kayaks, traditional Thai mas...
  • Dive deck with lockers, hot show...
  • Large boat with wooden panelling...
MV DiveRACE Class E
From US$ 233 per day

Customer rating: Very good!

35m / 116 ft
Max 20
Nitrox
  • Visits Similans, Richelieu Rock,...
  • All cabins have ensuite bathroom...
  • Dive The World Gold Range produc...
  • BBQ pit on the sun deck, private...
  • Large, steel-hulled boat
  • Low season Indonesia trips from ...
MV Dolphin Queen
From US$ 121 per day

Customer rating: Very good!

24m / 79 ft
Max 22
Nitrox
  • Visits Similan Islands, Richelie...
  • Very affordable 4 night trips
  • Dive The World Gold Range produc...
  • Thai massage available
  • Communal bathrooms
MV Oktavia
From US$ 143 per day

Customer rating: Very good!

30m / 99 ft
Max 20
Nitrox
  • Cruises Similans, Richelieu Rock...
  • Runs trips of between 2 and 5 ni...
  • Dive The World Gold Range produc...
  • Master cabins have ensuite bathr...
MV Pawara
From US$ 158 per day

Customer rating: Very good!

35m / 116 ft
Max 24
Nitrox
Wi-Fi
  • Cruises Similans, Richelieu Rock...
  • All cabins with private bathroom...
  • Dive The World Gold Range produc...
  • Dedicated restaurant with bar, l...
  • Large stable boat with steel hul...
SY June Hong Chian Lee
From US$ 171 per day

Customer rating: Very good!

30m / 99 ft
Max 18
Nitrox
  • Visits Similans, Surin, Richelie...
  • Scaramanga's boat in the James B...
  • Dive The World Gold Range produc...
  • All cabins have en-suite bathroo...
  • Winner of our 'Liveaboard of the...
MV Daranee
From US$ 140 per day

Customer rating: Good

24m / 79 ft
Max 18
  • Visits Similan Islands & Richeli...
  • Longest established liveaboard o...
  • Dive The World Gold Range produc...
  • Popular with young budget-minded...
  • Cabins with large sliding window...
  • Communal bathrooms
MV Similan Explorer
From US$ 123 per day

Customer rating: Good

20m / 66 ft
Max 20
Nitrox
  • Very affordable 3 to 5 night Sim...
  • Dive The World Gold Range produc...
  • Cabins have air-conditioning, wi...
  • Friendly, professional and helpf...
  • Communal bathrooms
MV Thai Sea
From US$ 169 per day

Customer rating: Good

20m / 66 ft
Max 12
Nitrox
  • Cruises Burma, Similans, Surin &...
  • Maximum of 12 only divers, small...
  • All cabins middle, upper deck wi...
  • Sundeck with sun mats and hammoc...
  • Communal bathrooms
MV Manta Queen 5
From US$ 94 per day

Customer rating: Be first to rate!

26m / 86 ft
Max 22
Nitrox
  • Affordable 3 night trips to the ...
  • All cabins are above deck with s...
  • Dive The World Gold Range produc...
  • Communal bathrooms
  • Steel hulled boat
MV Manta Queen 6
From US$ 110 per day

Customer rating: Be first to rate!

25m / 83 ft
Max 16
Nitrox
  • Cruises Similans, Richelieu Rock...
  • 4 bathrooms, each shared by 2 ca...
  • Dive The World Gold Range produc...
  • Multi-lingual crew of 11
  • 12 and 15 litre tanks available
MV Sea World I
From US$ 140 per day

Customer rating: Be first to rate!

22m / 73 ft
Max 18
Nitrox
  • Visits Burma, Similans, Koh Tach...
  • VIP cabins have ensuite bathroom...
  • Trips of between 3 and 6 nights
  • Multi-lingual crew of 11
Thailand Aggressor
From US$ 13 per day

Customer rating: Be first to rate!

35m / 116 ft
Max 16
Nitrox
  • Cruises Similans, Surin, Richeli...
  • Cabins with private bathrooms, T...
  • Free local beer and wine, separa...
  • Sun deck with whirlpool tub
  • Large boat with steel hull



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The Climate, Diving Season and Best Time to Visit

The Thai dive season is year round. However, for liveaboard cruises, you will be diving in the Andaman Sea off the west coast where the best conditions exist from November to April (the liveaboard season), with whale sharks visiting most frequently from February to May, and manta rays throughout the year.

During the months of November to April the seas are at their calmest, the visibility (20-30m) and water temperature (28-30°C) at their highest, especially during the latter half of this period.

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Ports of Departure and How to Get There

Liveaboard trips to the Similan and Surin Islands depart from Patong Beach in Phuket or Khao Lak (1½ hours ride north of Phuket). Similans, Richelieu Rock & Hin Daeng cruises usually depart from Chalong Bay (in Phuket) or Thap Lamu, Khao Lak. Similan Islands & Burma South tours usually depart from Thap Lamu in Khao Lak.

Departure ports are detailed for every trip in the 'Departures & Prices' section of each of our liveaboard boat pages. They will also be sent to you during the inquiry and booking process. Hotel-boat transfers are often provided free of charge from all of Phuket's main beach areas (Patong, Kata and Karon). Transfers from other areas may be subject to a small extra charge.

We recommend you take out insurance to cover diving and travel activities, including trip cancellation. See our insurance programme for a competitive quotation:

Get your travel and diving insurance from World Nomads

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Places to Stay

If you plan on staying in Thailand before or after your diving safari, you'll find a huge range of accommodation options on hotelscombined.com's website, our affiliated hotel reservation specialist. Browse their website to find options that you're interested in, use their on-line chat to seek answers to your questions, and then simply use your credit card to make your booking:

Save on your hotel - www.hotelscombined.com

Every booking carries their 'Low Price Guarantee' to ensure you always get the best value for money.

If you prefer, it's possible to dive at most of the sites in the Andaman Sea by staying at a resort and making daily trips, from: Phuket or Khao Lak.

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Useful References for Thailand


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