Ko Lanta Tours &
Things to Do
Discover the best Ko Lanta tours and things to do on this laid-back Andaman island in southern Thailand: snorkel the famous 4 Islands, wade into the Emerald Cave, hop between limestone isles, watch the sunset from a longtail, dive vibrant reefs and wander the atmospheric Old Town. Compare top-rated experiences and plan the perfect trip.
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Explore Ko Lanta by interest
Whatever brings you to Ko Lanta — world-class museums, the river, or a long lunch — start with the experiences travellers love most.
Top attractions in Ko Lanta
The landmarks that define the city — and the tickets and tours that get you in, often skipping the line.
4 Islands
Classic snorkel trip.
Emerald Cave
Hidden lagoon.
Island Hopping
Isle to isle.
Sunset Cruise
Golden hour.
Old Town
Island heritage.
Diving
Vibrant reefs.
National Park
Island nature.
Ko Lanta
Andaman island.
Andaman away4 Islands
Classic snorkel trip.
Koh Muk awayEmerald Cave
Hidden lagoon.
Andaman awayIsland Hopping
Isle to isle.
Coast awaySunset Cruise
Golden hour.
Island awayOld Town
Island heritage.
Andaman awayDiving
Vibrant reefs.
Know before you go
Short, straight answers to the questions every Ko Lanta visitor asks before booking.
Dry (Nov–Apr)
Calm seas and clear water — the best months.
For snorkelling
The dry season for the clearest reefs.
Green (May–Oct)
Wetter and quieter, with some tours paused.
Peak
December to February is busiest and driest.
Monsoon
Some boat trips stop in the low season.
Best overall
November to April for calm seas and sun.
One day
The 4 Islands snorkelling trip.
Two days
Add island hopping and a sunset cruise.
Three+ days
Add diving and the national park.
For snorkelling
The 4 Islands and Emerald Cave.
For diving
A trip to Hin Daeng and Koh Haa.
For nature
The national park and Old Town.
By boat
Boats reach the islands and the Emerald Cave.
By scooter
Scooters are the easy way along the island.
Tours
Tours cover the reefs, islands and park.
On foot
The Old Town and beaches are walkable.
Where to stay
Stay on the west-coast beaches.
Thai baht
Thailand uses the baht; carry some cash.
4 Islands
Longtail trips are quieter than speedboats.
Emerald Cave
Bring a life jacket for the dark tunnel swim.
Diving
Book Hin Daeng trips for the best reefs.
Sunset
The west-coast beaches face the sunset.
Old Town
Go for lunch at a stilt-house restaurant.
Combos
Some tours pair the 4 Islands with the cave.
4 Islands
Snorkelling trips fill up — book ahead.
Emerald Cave
Cave tours fill up — reserve early.
Island hopping
Boat trips fill up — book ahead.
Dive trips
Dive spots fill up — reserve early.
Sunset cruises
Sunset sails fill up — book ahead.
Winter peak
December to February is busiest — book far ahead.
4 Islands trip
Around €30–70 for a 4 Islands snorkelling trip.
Emerald Cave
About €24+ for an Emerald Cave tour.
Island hopping
Roughly €30–70 for an island-hopping trip.
Dive trip
Around €42+ for a diving trip.
Sunset cruise
About €39+ for a sunset cruise.
How to save
Join group tours to save over private ones.
Ko Lanta through the seasons
What's best, how busy it gets, and one booking tip for each time of year.
- Best for
- Calm seas.
- Crowds
- Booking tip
- Best.
- Best for
- Clear reefs.
- Crowds
- Booking tip
- Hot.
- Best for
- Quiet island.
- Crowds
- Booking tip
- Wet.
- Best for
- Lush & calm.
- Crowds
- Booking tip
- Rain.