Similan Liveaboard Departures December 2025

The Similan Islands are currently open until 15 May 2026

For more information on the best time to go to the SImilan Islands click here.

Thinking of diving the Similan Islands in December 2025?

This page lists all Similan liveaboard trips departing during December. Browse through our featured boats, read a quick overview of each, and check the schedule to find your perfect Similan diving adventure.

Blue Dolphin

The Blue Dolphin is a modern steel-hulled Similan liveaboard offering four-day dive trips in Thailand. Known for excellent service, photo-friendly facilities, and professional staff, it’s a strong choice for divers looking for comfort and quality. A popular option for both experienced photographers and recreational divers.

Departs

Returns

Destination

Duration

Dives

December 2025

14 Dec 2025

18 Dec 2025

Similan Islands / Richelieu Rock

4D / 4N

Departs14 Dec 2025

Returns18 Dec 2025

DestinationSimilan Islands / Richelieu Rock

Duration4D / 4N

Dives14

20 Dec 2025

24 Dec 2025

Similan Islands / Richelieu Rock

4D / 4N

Departs20 Dec 2025

Returns24 Dec 2025

DestinationSimilan Islands / Richelieu Rock

Duration4D / 4N

Dives14

29 Dec 2025

02 Jan 2026

Similan Islands / Richelieu Rock

4D / 4N

Departs29 Dec 2025

Returns02 Jan 2026

DestinationSimilan Islands / Richelieu Rock

Duration4D / 4N

Dives14

Thailand Aggressor

Dive Thailand’s best with the Thailand Aggressor. Explore the Similan Islands and Richelieu Rock during the high season, or venture south to Hin Daeng and Koh Haa in the low season. This spacious and well-equipped yacht offers comfort, great food, and world-class diving.

Departs

Returns

Destination

Duration

Dives

Andaman

MV Andaman is a budget-friendly Similan liveaboard with a long history of safe, reliable trips to the best dive sites in Thailand. Known for its friendly crew, flexible itineraries, and great value, it’s an ideal option for divers looking to explore the Similan Islands without breaking the bank.

Departs

Returns

Destination

Duration

Dives

December 2025

15 Dec 2025

19 Dec 2025

Richelieu Rock / Surin Islands / Similan Islands

4D / 4N

Departs15 Dec 2025

Returns19 Dec 2025

DestinationRichelieu Rock / Surin Islands / Similan Islands

Duration4D / 4N

Dives13

20 Dec 2025

24 Dec 2025

Similan Islands / Surin Islands / Richelieu Rock

4D / 4N

Departs20 Dec 2025

Returns24 Dec 2025

DestinationSimilan Islands / Surin Islands / Richelieu Rock

Duration4D / 4N

Dives13

20 Dec 2025

27 Dec 2025

Similan Islands / Surin Islands / Richelieu Rock

7D / 7N

Departs20 Dec 2025

Returns27 Dec 2025

DestinationSimilan Islands / Surin Islands / Richelieu Rock

Duration7D / 7N

Dives22

20 Dec 2025

31 Dec 2025

Similan Islands / Surin Islands / Richelieu Rock / Similan Islands

11D / 11N

Departs20 Dec 2025

Returns31 Dec 2025

DestinationSimilan Islands / Surin Islands / Richelieu Rock / Similan Islands

Duration11D / 11N

Dives35

24 Dec 2025

27 Dec 2025

Koh Tachai (Similans) / Surin Islands / Richelieu Rock

3D / 3N

Departs24 Dec 2025

Returns27 Dec 2025

DestinationKoh Tachai (Similans) / Surin Islands / Richelieu Rock

Duration3D / 3N

Dives9

24 Dec 2025

31 Dec 2025

Richelieu Rock / Surin Islands / Similan Islands

7D / 7N

Departs24 Dec 2025

Returns31 Dec 2025

DestinationRichelieu Rock / Surin Islands / Similan Islands

Duration7D / 7N

Dives22

27 Dec 2025

31 Dec 2025

Richelieu Rock / Surin Islands / Similan Islands

4D / 4N

Departs27 Dec 2025

Returns31 Dec 2025

DestinationRichelieu Rock / Surin Islands / Similan Islands

Duration4D / 4N

Dives13

Explorer

A reliable and affordable Similan liveaboard, the MV Explorer is run by one of the most established dive operators in Khao Lak. Offering longer trips and more en-suite cabins than her sister ship, the Andaman, Explorer is a great option for divers looking for solid value and flexible itineraries.

Departs

Returns

Destination

Duration

Dives

December 2025

17 Dec 2025

22 Dec 2025

Similan Islands / Surin Islands / Richelieu Rock

5D / 5N

Departs17 Dec 2025

Returns22 Dec 2025

DestinationSimilan Islands / Surin Islands / Richelieu Rock

Duration5D / 5N

Dives16

17 Dec 2025

25 Dec 2025

Similan Islands / Surin Islands / Richelieu Rock

8D / 8N

Departs17 Dec 2025

Returns25 Dec 2025

DestinationSimilan Islands / Surin Islands / Richelieu Rock

Duration8D / 8N

Dives25

17 Dec 2025

30 Dec 2025

Similan Islands / Surin Islands / Richelieu Rock / Similan Islands

13D / 13N

Departs17 Dec 2025

Returns30 Dec 2025

DestinationSimilan Islands / Surin Islands / Richelieu Rock / Similan Islands

Duration13D / 13N

Dives41

22 Dec 2025

25 Dec 2025

Koh Tachai (Similans) / Surin Islands / Richelieu Rock

3D / 3N

Departs22 Dec 2025

Returns25 Dec 2025

DestinationKoh Tachai (Similans) / Surin Islands / Richelieu Rock

Duration3D / 3N

Dives9

22 Dec 2025

30 Dec 2025

Richelieu Rock / Surin Islands / Similan Islands

8D / 8N

Departs22 Dec 2025

Returns30 Dec 2025

DestinationRichelieu Rock / Surin Islands / Similan Islands

Duration8D / 8N

Dives25

25 Dec 2025

30 Dec 2025

Richelieu Rock / Surin Islands / Similan Islands

5D / 5N

Departs25 Dec 2025

Returns30 Dec 2025

DestinationRichelieu Rock / Surin Islands / Similan Islands

Duration5D / 5N

Dives16

Deep Andaman Queen

Deep Andaman Queen is a trusted mid-range Similan liveaboard with an experienced crew, spacious dive deck, and comfortable cabins. Offering a mix of dive itineraries, great food, and a relaxed atmosphere, it’s an excellent choice for divers wanting a memorable Similan diving experience at a fair price.

Departs

Returns

Destination

Duration

Dives

December 2025

13 Dec 2025

17 Dec 2025

Similan Islands / Surin Islands / Richelieu Rock / Boonsung Wreck

4D / 4N

Departs13 Dec 2025

Returns17 Dec 2025

DestinationSimilan Islands / Surin Islands / Richelieu Rock / Boonsung Wreck

Duration4D / 4N

Dives14

18 Dec 2025

21 Dec 2025

Similan Islands / Surin Islands / Richelieu Rock / Boonsung Wreck

3D / 3N

Departs18 Dec 2025

Returns21 Dec 2025

DestinationSimilan Islands / Surin Islands / Richelieu Rock / Boonsung Wreck

Duration3D / 3N

Dives10

22 Dec 2025

27 Dec 2025

Similan Islands / Surin Islands / Richelieu Rock / Boonsung Wreck

5D / 5N

Departs22 Dec 2025

Returns27 Dec 2025

DestinationSimilan Islands / Surin Islands / Richelieu Rock / Boonsung Wreck

Duration5D / 5N

Dives18

28 Dec 2025

02 Jan 2026

Similan Islands / Surin Islands / Richelieu Rock / Boonsung Wreck

5D / 5N

Departs28 Dec 2025

Returns02 Jan 2026

DestinationSimilan Islands / Surin Islands / Richelieu Rock / Boonsung Wreck

Duration5D / 5N

Dives18

The Junk

A legendary vessel with a rich history, The Junk offers Similan liveaboard trips with excellent diving, experienced guides, and a unique atmosphere. Known for its role in a James Bond film, this charming schooner delivers safety, comfort, and great food while exploring Thailand’s best dive sites.

Departs

Returns

Destination

Duration

Dives

December 2025

13 Dec 2025

17 Dec 2025

Similan and Surin Islands

4D / 4N

Departs13 Dec 2025

Returns17 Dec 2025

DestinationSimilan and Surin Islands

Duration4D / 4N

Dives14

17 Dec 2025

23 Dec 2025

Similan and Surin Islands

6D / 6N

Departs17 Dec 2025

Returns23 Dec 2025

DestinationSimilan and Surin Islands

Duration6D / 6N

Dives19

23 Dec 2025

29 Dec 2025

Similan and Surin Islands

6D / 6N

Departs23 Dec 2025

Returns29 Dec 2025

DestinationSimilan and Surin Islands

Duration6D / 6N

Dives19

30 Dec 2025

05 Jan 2026

Similan and Surin Islands

6D / 6N

Departs30 Dec 2025

Returns05 Jan 2026

DestinationSimilan and Surin Islands

Duration6D / 6N

Dives19

The Phinisi

The Phinisi is a purpose-built dive boat styled as a traditional Indonesian phinisi, offering luxury and comfort on Similan liveaboard trips. With spacious decks, well-appointed cabins, and a professional dive team, it’s ideal for divers seeking a reliable and high-quality experience around Thailand’s best dive sites.

Departs

Returns

Destination

Duration

Dives

December 2025

18 Dec 2025

28 Dec 2025

Best of Thailand

10D / 10N

Departs18 Dec 2025

Returns28 Dec 2025

DestinationBest of Thailand

Duration10D / 10N

Dives33

29 Dec 2025

04 Jan 2026

Similan and Surin Islands

6D / 6N

Departs29 Dec 2025

Returns04 Jan 2026

DestinationSimilan and Surin Islands

Duration6D / 6N

Dives18

Pawara

MV Pawara is a Thai-run steel liveaboard offering mid-range trips to the Similan Islands and Richelieu Rock. With en-suite cabins, good food, and friendly service, it’s a solid choice for divers seeking a reliable experience—though often busy, especially when sailing alongside sister ship Sawasdee Fasai.

Departs

Returns

Destination

Duration

Dives

December 2025

16 Dec 2025

20 Dec 2025

Similan Islands / Richelieu Rock

4D / 4N

Departs16 Dec 2025

Returns20 Dec 2025

DestinationSimilan Islands / Richelieu Rock

Duration4D / 4N

Dives14

21 Dec 2025

25 Dec 2025

Similan Islands / Richelieu Rock

4D / 4N

Departs21 Dec 2025

Returns25 Dec 2025

DestinationSimilan Islands / Richelieu Rock

Duration4D / 4N

Dives14

25 Dec 2025

29 Dec 2025

Similan Islands / Richelieu Rock

4D / 4N

Departs25 Dec 2025

Returns29 Dec 2025

DestinationSimilan Islands / Richelieu Rock

Duration4D / 4N

Dives14

30 Dec 2025

03 Jan 2026

Similan Islands / Richelieu Rock

4D / 4N

Departs30 Dec 2025

Returns03 Jan 2026

DestinationSimilan Islands / Richelieu Rock

Duration4D / 4N

Dives14

Sawasdee Fasai

A well-run steel-hulled vessel, Sawasdee Fasai offers dependable Similan liveaboard trips at a fair price. With spacious cabins, experienced Thai crew, and a relaxed atmosphere, it’s a popular choice for mid-range divers. Expect warm hospitality, good food, and access to Thailand’s best dive sites.

Departs

Returns

Destination

Duration

Dives

December 2025

16 Dec 2025

20 Dec 2025

Similan Islands / Richelieu Rock

4D / 4N

Departs16 Dec 2025

Returns20 Dec 2025

DestinationSimilan Islands / Richelieu Rock

Duration4D / 4N

Dives14

21 Dec 2025

25 Dec 2025

Similan Islands / Richelieu Rock

4D / 4N

Departs21 Dec 2025

Returns25 Dec 2025

DestinationSimilan Islands / Richelieu Rock

Duration4D / 4N

Dives14

26 Dec 2025

30 Dec 2025

Similan Islands / Richelieu Rock

4D / 4N

Departs26 Dec 2025

Returns30 Dec 2025

DestinationSimilan Islands / Richelieu Rock

Duration4D / 4N

Dives14

Bavaria

Bavaria is a reliable steel-hulled Similan liveaboard with flexible itinerary options and a solid reputation for quality and safety. Choose from short or full-length trips exploring the Similan Islands, Surin Islands, and Richelieu Rock. A trusted choice with excellent service, especially popular with German-speaking guests.

No schedule available.

Want to know more about why you should choose a multi day? We have provided some extended information about why choosing a Similan liveaboard is the best way to dive the Similan Islands.