Similan Liveaboard Departures May 2026

The Similan Islands are currently closed until 15 October 2025

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

Thinking of diving the Similan Islands in May 2025?

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

Blue Dolphin

Blue Dolphin Similan liveaboard

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
May 2026
03 May 2026
07 May 2026
Similan Islands / Richelieu Rock
4D / 4N
14
Departs03 May 2026
Returns07 May 2026
DestinationSimilan Islands / Richelieu Rock
Duration4D / 4N
Dives14
09 May 2026
13 May 2026
Similan Islands / Richelieu Rock
4D / 4N
14
Departs09 May 2026
Returns13 May 2026
DestinationSimilan Islands / Richelieu Rock
Duration4D / 4N
Dives14

Thailand Aggressor

Thailand Aggressor Similan liveaboard

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 Similan liveaboard

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
May 2026
01 May 2026
05 May 2026
Similan Islands / Surin Islands / Richelieu Rock
4D / 4N
13
Departs01 May 2026
Returns05 May 2026
DestinationSimilan Islands / Surin Islands / Richelieu Rock
Duration4D / 4N
Dives13
01 May 2026
08 May 2026
Similan Islands / Surin Islands / Richelieu Rock
7D / 7N
22
Departs01 May 2026
Returns08 May 2026
DestinationSimilan Islands / Surin Islands / Richelieu Rock
Duration7D / 7N
Dives22
05 May 2026
08 May 2026
Koh Tachai (Similans) / Surin Islands / Richelieu Rock
3D / 3N
9
Departs05 May 2026
Returns08 May 2026
DestinationKoh Tachai (Similans) / Surin Islands / Richelieu Rock
Duration3D / 3N
Dives9
08 May 2026
11 May 2026
Koh Tachai (Similans) / Surin Islands / Richelieu Rock
3D / 3N
9
Departs08 May 2026
Returns11 May 2026
DestinationKoh Tachai (Similans) / Surin Islands / Richelieu Rock
Duration3D / 3N
Dives9
08 May 2026
15 May 2026
Richelieu Rock / Surin Islands / Similan Islands
7D / 7N
22
Departs08 May 2026
Returns15 May 2026
DestinationRichelieu Rock / Surin Islands / Similan Islands
Duration7D / 7N
Dives22
11 May 2026
15 May 2026
Richelieu Rock / Surin Islands / Similan Islands
4D / 4N
13
Departs11 May 2026
Returns15 May 2026
DestinationRichelieu Rock / Surin Islands / Similan Islands
Duration4D / 4N
Dives13

Explorer

Explorer Similan liveaboard

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
May 2026
02 May 2026
07 May 2026
Similan Islands / Surin Islands / Richelieu Rock
5D / 5N
16
Departs02 May 2026
Returns07 May 2026
DestinationSimilan Islands / Surin Islands / Richelieu Rock
Duration5D / 5N
Dives16
02 May 2026
10 May 2026
Similan Islands / Surin Islands / Richelieu Rock
8D / 8N
25
Departs02 May 2026
Returns10 May 2026
DestinationSimilan Islands / Surin Islands / Richelieu Rock
Duration8D / 8N
Dives25
02 May 2026
15 May 2026
Similan Islands / Surin Islands / Richelieu Rock / Similan Islands
13D / 13N
41
Departs02 May 2026
Returns15 May 2026
DestinationSimilan Islands / Surin Islands / Richelieu Rock / Similan Islands
Duration13D / 13N
Dives41
07 May 2026
10 May 2026
Koh Tachai (Similans) / Surin Islands / Richelieu Rock
3D / 3N
9
Departs07 May 2026
Returns10 May 2026
DestinationKoh Tachai (Similans) / Surin Islands / Richelieu Rock
Duration3D / 3N
Dives9
07 May 2026
15 May 2026
Richelieu Rock / Surin Islands / Similan Islands
8D / 8N
25
Departs07 May 2026
Returns15 May 2026
DestinationRichelieu Rock / Surin Islands / Similan Islands
Duration8D / 8N
Dives25
10 May 2026
15 May 2026
Richelieu Rock / Surin Islands / Similan Islands
5D / 5N
16
Departs10 May 2026
Returns15 May 2026
DestinationRichelieu Rock / Surin Islands / Similan Islands
Duration5D / 5N
Dives16

Deep Andaman Queen

Deep Andaman Queen Similan liveaboard

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
May 2026
05 May 2026
09 May 2026
Similan Islands / Surin Islands / Richelieu Rock / Boonsung Wreck
4D / 4N
14
Departs05 May 2026
Returns09 May 2026
DestinationSimilan Islands / Surin Islands / Richelieu Rock / Boonsung Wreck
Duration4D / 4N
Dives14
10 May 2026
14 May 2026
Similan Islands / Surin Islands / Richelieu Rock / Boonsung Wreck
4D / 4N
14
Departs10 May 2026
Returns14 May 2026
DestinationSimilan Islands / Surin Islands / Richelieu Rock / Boonsung Wreck
Duration4D / 4N
Dives14
15 May 2026
19 May 2026
Similan Islands / Surin Islands / Richelieu Rock / Boonsung Wreck
4D / 4N
14
Departs15 May 2026
Returns19 May 2026
DestinationSimilan Islands / Surin Islands / Richelieu Rock / Boonsung Wreck
Duration4D / 4N
Dives14

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.