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    Last verified: March 2026by Experiences Team · Cambodia Experience Designers
    See bioluminescent plankton at night — Cambodia Bucket List
    Swim in waters that glow electric blue as bioluminescent plankton light up with every movement. A truly magical experience unique to Koh Rong.
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    #17 See bioluminescent plankton at night

    Koh Rong moderate $10–15 Best: Jun–Nov

    About This Experience

    Swim in waters that glow electric blue as bioluminescent plankton light up with every movement. A truly magical experience unique to Koh Rong.

    How To Do It

    Join a night tour from Koh Rong village or Long Set Beach. Best on moonless nights. Book through your guesthouse.

    Safety Tips

    Don't swim alone at night. Follow guide instructions. Wear a life jacket if offered.

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