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  3. Koh Rok

Koh Lanta and the Trang islands · Krabi

Koh Rok

Shallow reefs, anemonefish, parrotfish and other reef fish.

🚤 Boat snorkeling🐠 Snorkeling🤿 DivingAndaman Sea

📅 When to go📍 On the map

Beach with boats on Koh Rok
Photo: dronepicr, CC BY 2.0, Wikimedia Commons

Please note: current access

  • ⚠️ Park rules

    Koh Rok: the park page mentions restrictions at Koh Rok, including accommodation and campsites. That does not simply mean everything is open or everything is closed. Confirm with the park or your operator what applies to your landing or trip.

    Checked on 25 October 2026 · Source: Official DNP page with park restrictions (Thai)

About Koh Rok

Access type
🚤 Boat snorkeling
A trip to a reef, usually entering the water from the boat.
Location
South of Koh Lanta, Krabi; Mu Ko Lanta National Park.
Activity
Boat snorkeling and diving.
How you get into the water
Boat trip with reef stops and often a beach stop; not reachable from Koh Lanta itself.
Under water
Shallow reefs, anemonefish, parrotfish and other reef fish.
Good to know
Ask beforehand which trips and landings are exactly permitted.
Access now
Park and activity-specific restrictions apply; check which spots are open (see the notice below).

When to go to Koh Rok

Month by month, following the seasons from our research. Weather, waves, current and tide on the day itself decide whether it works.

  1. JanMain season
  2. FebMain season
  3. MarMain season
  4. AprMain season
  5. MayOff season
  6. JunOff season
  7. JulOff season
  8. AugOff season
  9. SepOff season
  10. OctOff season
  11. NovMain season
  12. DecMain season

Main season: January, February, March, April, November, December.

Andaman Sea: roughly November–April, when the sea is calm more often. Check local weather, tides and park opening separately; the annual park opening and restrictions on individual reefs are two different things.

Source: outthailand.com

Photos of Koh Rok

Koh Rok on the map

Pinch to zoom; tap a point for more info. Open circles: approximate location.

About the location

7.21272, 99.06960. Approximate location. Point between Koh Rok Nok and Koh Rok Nai; the reef stops are around both islands.

Source of the coordinates: Southeast Asia Pilot: Koh Rok group 7°12.763′N 99°4.176′E southeastasiapilot.com; Wikidata Ko Rok Nai Q49647441 (7.2047, 99.0617) and Ko Rok Nok Q49647444 (7.2194, 99.0758)

Video: Koh Rok

Koh Ha & Koh Rok Snorkeling with Kids 🇹🇭 | The Best Day Trip from Koh Lanta · MahzTravel / DRAGONFLY ADVENTURE · 9 April 2026. This video shows both Koh Rok and Koh Haa. Video from YouTube; it only loads when you click. A video shows what it looked like then, not whether it is allowed or safe now.

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