Some underwater photos from a Similan Islands diving trip on the Blue Dolphin liveaboard 15 – 19 February 2024
Barracuda, Richelieu Rock © [email protected]
This trip was thankfully a lot warmer than my previous Similan liveaboard in December where water temperatures had dropped to a chilly 23 degrees.
That said, the visibility was quite bad on quite a few dives with green water and strong currents, but there was a lot of marine life around to make up for it. The massive school of barracuda at Richelieu Rock was particularly epic.
Here’s some highlights from some of the dive sites we visited over 4 days:
Tuna Wreck and Hideaway Bay
Tuna Wreck and Pook, Similan Islands © [email protected]
Octopus and Jai, Hideaway Bay © [email protected]
Octopus and fish, Hideaway Bay © [email protected]
Octopus on coral, Hideaway Bay © [email protected]
If you're interested in doing a Similan liveboard yourself, see Diving The Similan Islands: A Quick Guide for a breakdown of how a liveaboard trip works and why the Similans are so special for diving.
Shark’s Fin Reef
Pook and Boots with school of bluestreak fusilier, Shark’s Fin Reef © [email protected]
Dark-banded fusiliers around the rocks, Shark’s Fin Reef © [email protected]
Fan and yellow snapper, Shark’s Fin Reef © [email protected]
Yellow snapper and reef wall, Shark’s Fin Reef © [email protected]
Pook and black sun coral with anthias, Shark’s Fin Reef © [email protected]
Yellowback fusiliers over the rocks, Shark’s Fin Reef © [email protected]
Diver with big rocks, Shark’s Fin Reef © [email protected]
Deep Six
Staghorn corals and damsel fish, Deep Six © [email protected]
Harlequin sweetlips and banner fish, Deep Six © [email protected]
Dark-banded fusiliers running, Deep Six © [email protected]
Recommended Similan Liveaboards October 2025 to May 2026
Blue Dolphin Liveaboard

The Phinisi Liveaboard

Smiling Seahorse Liveaboard

The Junk Liveaboard

Christmas Point
Swimthrough, Christmas Point © [email protected]
Koh Bon
Octopus amongst coral rubble, Koh Bon Bay © [email protected]
Koh Tachai
Fan and glassfish, Koh Tachai © [email protected]
Fan coral and 2 redtail angelfish, Koh Tachai © [email protected]
Fan corals, Koh Tachai © [email protected]
Fan corals with fusiliers, Koh Tachai © [email protected]
Fan corals with fusiliers, Koh Tachai © [email protected]
Ao Pakkad
Table corals, Ao Pakkad © [email protected]
2 blue ring angelfish and a parrotfish, Ao Pakkad © [email protected]
Parrotfish, Ao Pakkad © [email protected]
Richelieu Rock
Glassfish over soft corals, Richelieu Rock © [email protected]
Jacks around the top of Richelieu Rock © [email protected]
Jacks over soft corals, Richelieu Rock © [email protected]
Jacks over soft corals, Richelieu Rock © [email protected]
Rainbow runners running, Richelieu Rock © [email protected]
Barracuda, Richelieu Rock © [email protected]
Barracuda, Richelieu Rock © [email protected]
Jacks, Richelieu Rock © [email protected]
Koh Bon Pinnacle
Batfish close up, Koh Bon Pinnacle © [email protected]
Batfish over the corals, Koh Bon Pinnacle © [email protected]
A big thankyou to the crew of the Blue Dolphin liveaboard for another great trip.
Similan Liveaboards Overview
- Luxury Similan Island Liveaboards
- Mid Range Similan Island Liveaboards
- Budget Similan Island Liveaboards
- Last Minute Liveaboard Deals
- Diving The Similan Islands 2025: A Quick Guide
- Similan Islands Dive Sites
- Diving Thailand Guide
Upcoming Similan Liveaboard Availability and Pricing
Check availability and pricing for all Similan Islands liveaboards departing in
- October 2025 | November 2025 | December 2025 | January 2026 | February 2026 | March 2026 | April 2026 | May 2026
(The Similan National Park is closed from mid May to mid October each year)
Similan Liveaboards Trip Reports
Photos from each of the Similan liveaboard trips I've been on over the years.
- Similan Islands Liveaboard Trip Report 9-13 February 2025
- Similan Islands Liveaboard Trip Report 21-25 November 2024
- Similan Islands Liveaboard Trip Report May 2024
- Similan Islands Liveaboard Trip Report 21 - 25 February 2024
- Similan Islands Liveaboard Trip Report 15 - 19 February 2024
- Similan Islands Liveaboard Trip Report December 2023
- Similan Islands Liveaboard Trip Report October 2023
- Similan Islands Liveaboard Trip Report April 2023
- Similan Islands Liveaboard Trip Report February 2023
- Similan Islands Liveaboard Trip Report December 2022
- Similan Islands Liveaboard Trip Report February 2020
- Similan Islands and Myanmar Trip Report March 2015