Sparkling like a starry sky all around you, Koh Rong’s bioluminescent plankton are a wonderful sight to behold at night times.  (Learn why they glow on Wikipedia)

Koh Rong Plankton Glowing in the Night

 

Although this phenomenon is abundant on the islands, the glowing plankton can only be seen in places with very little light pollution. As such, if you’re staying on Koh Touch (the main tourist area on Koh Rong) or on Saracen Bay (the main tourist area on Koh Rong Samloem), the easiest way for you to see the plankton is by booking a boat tour (you can also walk to Police Beach on non-party nights (15 minutes left from the main pier) and Tree House Bungalows (15 minutes right from the main pier) on Koh Touch, or make your way to Long Set Beach around the corner from Koh Touch).

Longset Beach on Koh Rong
Longset Beach on Koh Rong
 

On Koh Touch, booking a tour is very straight forward – You’ll see them advertised all around the beach. A trip to see the plankton will cost about $5 (leaving at 7pm). You can also see the plankton during boat trips that will include snorkeling, fishing, BBQs, and sunsets. These tend to cost around $10 and are from 1pm – 7pm. However, on Saracen Bay, only Captain Kem’s ‘Caribbean Tours’ currently provide the trip. As such, try to book the tour in advance during the day (there are several booking points across the bay or just ask at your resort).

A couple of resorts are also well situated so as to see the plankton glow at night times. Of these, we would recommend the fantastic Longset Resort, located on the beautiful Long Set Beach. Providing a little bit of luxury during your stay, here you can see the glowing plankton when the sun goes down.

 

Book Longset at Best Price

 

One word of warning however – please do not actually swim with the plankton. Although you’ll read rave reviews across the internet, swimming at night times is not as safe as people make it out to be. For one thing, you are in a tropical environment, with jelly fish, octopuses, and other sea creatures that come out hunting when it’s dark.

 

 

Comments

  • Edna
    Reply

    Que meses es mas probable ver este fenómeno y que meses es más complicado ?
    Voy la última semana de agosto, sera Factible ?

    • Visit Koh Rong
      Reply

      Hello. There is plankton all year round, but it will depend on the day you go, as it is better when the moon is covered by the clouds. In August you should have more clouds, so you have a good chance of seeing them

  • Ding Chee Kok
    Reply

    Best time to see plankton is during no moon. Boatman will take u to a really dark area and when off all the lights, the moment u stir the seawater, the plankton will glow like star dusts!!

  • asdfghjkl
    Reply

    Is there plankton on Koh Rong Samloem too or just on Koh Rong island?

  • Kavitha
    Reply

    Just want to know if these planktons are seasonal?

    • Visit Koh Rong
      Reply

      Hello, you’re more likely to see the plankton after a few clear days with no rain, so although the phenomenon isn’t seasonal as such, during peak season is better.

    • caro
      Reply

      There is plankton year-round. And it actually can be better in raining season as the light of the moon is often covered by the clouds.

  • Katy
    Reply

    Very useful thank you – You’re right everyone says to go swimming with plankton but it totaly makes sense that it’s dangerous! Especially if you’ve had a few drinks 🙂

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