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Koh Lanta

Thailand travel guide

What to see in Koh Lanta

A laid-back Andaman Sea island, with long beaches, sunsets and a family- and couple-friendly feel.

Updated 19 October 2026 · How we make our guides

  • 5 must-see places
  • Best time: from November to April
Photo: Fabio Achilli · CC BY 2.0

Koh Lanta highlights

The places you can’t miss. In the app we sort them by day and close to each other.

  1. Long Beach

    The longest beach on the island.

  2. Old Town

    Fishermen’s houses on stilts.

  3. Mu Ko Lanta National Park

    A lighthouse on the southern tip.

  4. Koh Rok

    Snorkelling in clear water.

  5. Emerald Cave

    On Koh Mook, swimming through a tunnel.

Day trips from Koh Lanta

We take you straight to the best-rated tour on GetYourGuide, with its reviews and dates.

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When to travel to Koh Lanta

The months with the fewest warnings to travel to Koh Lanta are from November to April. If you can, avoid September, October (monsoon on the andaman coast).

  1. Jan no warnings
  2. Feb no warnings
  3. Mar no warnings
  4. Apr no warnings
  5. May with warnings
  6. Jun with warnings
  7. Jul with warnings
  8. Aug with warnings
  9. Sep with strong warnings
  10. Oct with strong warnings
  11. Nov no warnings
  12. Dec no warnings
  • from May to October

    Monsoon on the Andaman coast

    From May to October the sea is rough and there are heavy downpours; in September and October many boat trips are cancelled (Phi Phi; the Similan Islands close).

    What to do: At this time of year, the islands in the Gulf (Koh Samui, Koh Phangan, Koh Tao) have better weather until September.

Where and what to eat

To eat like a local: the street stall. The dishes you can’t miss are in the Thailand guide.

Frequently asked questions about Koh Lanta

What to see in Koh Lanta?

Long Beach, Old Town, Mu Ko Lanta National Park, Koh Rok and Emerald Cave.

What to see in Koh Lanta in one day?

Don’t miss Long Beach, Old Town, Mu Ko Lanta National Park, Koh Rok and Emerald Cave. To split it into days and areas without crossing the city back and forth, the Bagintravel app plans your trip in a minute.

What’s the best time to travel to Koh Lanta?

The months with the fewest warnings to travel to Koh Lanta are from November to April. If you can, avoid September, October (monsoon on the andaman coast).

What day trips can you take from Koh Lanta?

Four Islands tour and Koh Rok by speedboat.

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Guide reviewed 19 October 2026. Places, areas and seasons: the same data the Bagintravel app uses. Sources and method.