Similan Liveaboard Thailand: Dive the Best of the North Andaman Sea
Join a Similan liveaboard trip from Thailand and explore world-class dive sites around the Similan Islands, Koh Bon, Koh Tachai and Richelieu Rock. This route is ideal for certified divers who want more dives, better access to remote sites and a true liveaboard experience in the Andaman Sea.
Why Choose a Similan Liveaboard?
A Similan liveaboard is one of the best ways to experience Thailand’s North Andaman diving route. Instead of doing long day trips from Phuket or Khao Lak, you stay on board, dive multiple sites each day and reach remote dive areas such as Koh Bon, Koh Tachai and Richelieu Rock more efficiently.
More Diving Time
Liveaboards are designed for divers who want several dives per day, including early morning dives and sunset or night dives when available.
Better Access to Top Sites
The North Andaman route usually covers the Similan Islands, Koh Bon, Koh Tachai and Richelieu Rock, depending on the boat schedule and weather conditions.
Good Value for Certified Divers
Accommodation, meals and diving are combined into one package, making liveaboards a practical option for divers who want to focus on diving.
Main Liveaboard Route
The classic Similan liveaboard route normally starts from the Phang Nga / Khao Lak area, often from Thap Lamu Pier, and travels through the North Andaman Sea. Exact routing can vary by boat, sea conditions, national park regulations and season.
Thap Lamu Pier → Similan Islands → Koh Bon → Koh Tachai → Richelieu Rock → Thap Lamu Pier
Dive Sites on the Similan Liveaboard Route
| Dive Area | What to Expect | Best For |
|---|---|---|
| Similan Islands | Granite boulders, swim-throughs, coral gardens, reef fish and clear blue water. Dive sites vary from gentle reef dives to deeper boulder formations. | Scenic reefs, wide-angle photography, relaxed check dives |
| Koh Bon | Famous for ridge and wall diving, with a chance to encounter larger marine life when conditions are right. | Pelagic encounters, wall diving, experienced divers |
| Koh Tachai | Offshore pinnacle diving with stronger current potential. The site is known for schooling fish, soft corals and more advanced dive conditions. | Advanced divers, current diving, big schools of fish |
| Richelieu Rock | One of Thailand’s most famous dive sites, known for marine biodiversity, soft corals, macro life and occasional large marine life encounters. | Signature Thailand dive site, photography, multiple dives |
Sample 5 Days / 4 Nights Similan Liveaboard Itinerary
This is a sample itinerary for a North Andaman liveaboard route. Actual dive sites and dive order may change depending on weather, current, boat schedule and national park rules.
Day 1: Transfer to Pier / Boarding
Pick-up from Phuket, Khao Lak or nearby areas depending on the package. Board the liveaboard at Thap Lamu or assigned pier. Boat briefing, cabin check-in, equipment setup and departure.
Day 2: Similan Islands
Start diving around the Similan Islands. Typical dives may include reef dives, boulder formations and scenic coral sites. This day is usually ideal for check dives and underwater photography.
Day 3: Koh Bon / Koh Tachai
Continue north to Koh Bon and Koh Tachai, depending on the boat route. These sites can offer deeper profiles, stronger current and better chances for larger marine life when conditions are favorable.
Day 4: Richelieu Rock
Dive at Richelieu Rock, one of the most iconic dive sites in Thailand. Many liveaboard trips plan more than one dive here when conditions allow, because the site is rich in both macro life and wide-angle scenery.
Day 5: Final Dives / Return
Final morning dives depending on the boat schedule, then return to pier. Transfer back to Khao Lak or Phuket according to the package arrangement.
Best Season for Similan Liveaboard Diving
The Similan and Surin marine national parks normally operate during Thailand’s Andaman high season, roughly from mid-October to mid-May. The main liveaboard season is usually from October to May, with peak demand from November to April.
During the monsoon closure period, liveaboard routes to Similan, Koh Bon, Koh Tachai and Richelieu Rock may not operate. Always check current opening dates and boat schedules before booking.
Recommended Season
- October – May: Main liveaboard season
- November – April: Popular high season period
- May – October: Seasonal closure / monsoon period may apply
Who Is This Trip For?
Recommended For
- Certified divers who want to dive the best sites of Thailand’s North Andaman Sea
- Divers looking for Similan, Koh Bon, Koh Tachai and Richelieu Rock in one route
- Underwater photographers and videographers
- Dive clubs, instructors and group leaders
- International divers looking for a Thailand liveaboard package
Experience Level
- Open Water divers may join some trips, depending on boat policy and conditions
- Advanced Open Water is recommended for deeper sites and stronger current
- Good buoyancy control is important
- Dive insurance is strongly recommended
What Is Included?
| Included | Not Included / Optional |
|---|---|
|
|
Inclusions may vary by boat and season. Please check the final package details before confirming your booking.
Agent / Partner Rates for Dive Centers
Mission Blue Diving Center welcomes dive centers, instructors, group leaders and travel agents who want to sell Thailand liveaboard trips to international divers. We can support Phuket day trips, Phang Nga diving trips, Similan liveaboards and North Andaman routes.
For Dive Centers
Net rates are available for dive centers and instructors who want to bring groups or send individual customers.
For Group Leaders
We can help plan group schedules, cabin options, transfer arrangements and pre-trip information for your divers.
For Travel Agents
Clear package details, retail price guidance and booking support are available for travel partners.
Frequently Asked Questions
How many dives are included in a Similan liveaboard?
It depends on the boat and trip duration. A typical 4-night liveaboard may include multiple dives per day, but the final number of dives depends on the itinerary, weather and safety conditions.
Where do Similan liveaboards usually depart from?
Many North Andaman liveaboards depart from the Phang Nga / Khao Lak area, commonly using Thap Lamu Pier or another assigned pier depending on the operator.
Is Richelieu Rock included in every liveaboard?
Not always. Richelieu Rock is commonly included in North Andaman routes, but the final route depends on boat schedule, trip duration, weather, current and marine park regulations.
Can beginner divers join a Similan liveaboard?
Some trips may accept Open Water divers, but Advanced Open Water and good buoyancy control are recommended, especially for Koh Tachai, Richelieu Rock and deeper dive sites.
Do you offer private guide or instructor support?
Yes. Private guide or instructor support can be arranged at additional cost, subject to availability.
Plan Your Similan Liveaboard with Mission Blue
Contact us to check available boats, cabin types, schedules, prices and agent rates for Thailand liveaboard trips.
Website: missionbluedive.com
Phone: 092-2925426
Line@: @missionblue
Instagram: missionbluedive