Dive Sites in the Andaman Sea
51 dive sites1 country2 liveaboard-only sites

Dive Sites in the Andaman Sea

Similan granite boulders, Richelieu Rock's whale sharks and Burma's untouched reefs. We'll help you pick the Andaman dive you'll talk about for years.

Diving in the Andaman Sea

The Andaman Sea covers 1 diving countries and 51 mapped dive sites, from easy reef dives to demanding current and wall diving. Below you find the best dive sites of the region, their conditions, seasons and marine life, plus the countries and liveaboard routes that reach them. Use it to plan when to go, which area suits your level and which boat gets you there.

Countries

Diving countries in the Andaman Sea region

The Andaman Sea spans several diving countries, each with its own liveaboard routes and signature sites. Click a country to see every dive site we cover there and the boats that visit them.

51 dive sites
Thailand

Dive by type

Dive sites by type

Wrecks, walls, drift dives, caves and pinnacles in the Andaman Sea — filter by the kind of diving you prefer. Each type links to a dedicated theme page with the best sites worldwide.

Pinnacle diving22 dive sites
Pinnacle diving
Reef diving22 dive sites
Reef diving
Wall diving18 dive sites
Wall diving
Drift diving9 dive sites
Drift diving
Cave diving7 dive sites
Cave diving
Wreck diving5 dive sites
Wreck diving

Marine life

Marine life highlights

The animals that make diving in the Andaman Sea worth it: sharks, rays, turtles, pelagics and macro highlights logged on these sites. Choose a species to find the dive sites and liveaboards where you are most likely to see it.

33 dive sites
Barracuda
17 dive sites
Blacktip Reef Shark
10 dive sites
Batfish
6 dive sites
Angelfish
5 dive sites
Anemonefish
4 dive sites
Fusilier
4 dive sites
Clownfish
4 dive sites
Butterflyfish
4 dive sites
Coral
3 dive sites
Eagle Ray
3 dive sites
Banded Sea Snake
2 dive sites
Cuttlefish

Explore the sites

Dive sites in the Andaman Sea

Explore 51 dive sites in the Andaman Sea, from legendary wall dives and drift dives to coral gardens, wrecks and shark cleaning stations. Every site shows depth, current, access, marine life and the liveaboard itineraries that visit it, so you can compare and book the trip that matches your experience level.

51 dive sites

Richelieu Rock

Thailand

Richelieu Rock, often celebrated as Thailand's premier dive site, is a majestic, isolated pinnacle located within Surin National Park in the northern Andaman Sea.

Suitable for
Advanced
Current
Strong
Access
Shore / dayboat
Depth
5–35 m
Theme
Cave & cavern / Pinnacle

Koh Bon

Thailand

Koh Bon is a distinguished dive site located north of Similan Island No. 9, within the same national park administration, though geographically distinct as a limestone island compared to the Similans' granite formations.

Suitable for
Intermediate
Current
Strong
Access
Liveaboard or dayboat
Depth
10–30 m
Theme
Drift / Wall

Hin Muang

Thailand

Hin Muang, translating to 'Purple Rock', is one of Thailand's premier dive sites, located within the Mu Koh Lanta National Park.

Suitable for
Advanced
Current
Strong
Access
Liveaboard or dayboat
Depth
5–60 m
Theme
Pinnacle / Wall

Christmas Point

Thailand

Christmas Point, located on Similan Island number 9 (Koh Ba-Ngu), stands out as one of the Similan Islands' most iconic dive sites.

Suitable for
Intermediate
Current
Strong
Access
Liveaboard or dayboat
Depth
2–40 m
Theme
Pinnacle

Conditions & practicalities

Diving in the Andaman Sea: seasons, conditions and logistics

51 dive sites in the Andaman Sea — here is what the season data says about the best months, water temperature, visibility and currents, plus how divers usually get there and which fees to budget for.

Best months
Nov–Apr
Water temperature
28–29 °C
Visibility
10–30 m
Currents
No data yet
Getting there
Most divers fly into the nearest international airport and continue by transfer or domestic flight to the departure port; liveaboards usually leave the evening before day one.
Permits & fees
Marine park fees, port taxes and nitrox are rarely included in the trip price — budget a few hundred dollars extra and check the visa rules before booking.

FAQ

Diving in the Andaman Sea: your questions

When is the best time to dive in the Andaman Sea?
The season data for in the Andaman Sea rates Nov–Apr as the strongest window, with water around 28–29 °C. Outside those months diving is still possible at many sites, but expect more wind, plankton or reduced boat schedules.
How good is the visibility in the Andaman Sea?
Visibility in the Andaman Sea typically runs 10–30 m, best during the dry, low-plankton months. Plankton-rich weeks cut it back — which is exactly when the big filter feeders show up.
Do I need a liveaboard to dive in the Andaman Sea?
About 4% of the dive sites in the Andaman Sea are only reachable by liveaboard. The rest can be dived from land-based centres, so day boats and a liveaboard leg combine well on longer trips.
How many dive sites are there in the Andaman Sea and where are they?
We list 51 dive sites in the Andaman Sea, with Thailand holding the largest share. Every entry links to its own page with depths, level, marine life and the liveaboards that visit it.
Plan your trip

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