< Back

Contact us

Our scuba travel experts are available 24/7 to assist you in planning and booking a fantastic scuba diving vacation

Scuba diving in Similan Islands

The Similan’s are undoubtedly famous in diving circles. They offer the best of Thailand’s diving all neatly parcelled up around their nine islands. Best enjoyed by liveaboard, you can dive in magnificent, clear waters and spot manta rays and whale sharks.
Find a local dive operator
Suggest an edit to this page

Diving in Similan Islands

Quick facts

The best way to dive in The Similan Islands is from a liveaboard boat. The majority of trips leave from Khao Lak, but there are departures from Ranong and Phuket too. The recommended length is a four-day four-night trip, but there are shorter options available. If time is your enemy then from Khao Lak 1 day, two days and three days trips are available.

The diving is rich and plentiful with larger pelagics being regularly seen between February and April. Current does exist and while novice divers are welcome most operators would like to see an advanced certification or require that you book to take the course aboard. Sites vary from towering boulder city-like-scapes to soft coral reefs pulsating with life. The visibility is usually excellent and the abundance and variety of marine life hard to overstate.

When to go

Rain and temperature

Click to expand

Water temperature

Click to expand
USD 653Per trip
USD 502Per trip
USD 2,040Per trip

What to see

The big ticket draw here is the chance to see manta rays and whale sharks which is most likely to occur between February and April. Don’t let that stop you coming at other times, though. There are plenty of colourful reef fish to dazzle you along with giant barracuda, jackfish, batfish, snapper, fusiliers and so much more. Camouflage critters include scorpionfish, stonefish and octopus. Cuttlefish scoot around and put on a colour display. Lionfish menacingly float around, and a range of morays seem to threaten from their holes. Pipefish, seahorse, shrimp, nudibranch and other quirky macro delights wait to please.


For better readability of the table, pass into the landscape mode.

Most likely sightingsPossible sightings
Live chat Call back