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    Last verified: March 2026by Activities Advisory Team · Cambodia Activities Specialists
    Scuba Diving in Cambodia 2026 - Best Dive Sites & Operators
    Discover Cambodia's underwater world. Complete guide to scuba diving around Koh Rong, Koh Tang, and the Gulf of Thailand with dive sites, operators, and practical tips.

    Best Season

    Oct - June

    Cost Per Dive

    $35-50 USD

    Water Temp

    26-30°C

    Visibility

    10-30m

    Why Dive in Cambodia?

    Cambodia's scuba diving scene is one of Southeast Asia's best-kept secrets. While less developed than Thailand or the Philippines, this means uncrowded dive sites, healthy coral systems, and a more personal diving experience. The waters around Koh Rong, Koh Rong Samloem, and the outer islands offer excellent conditions for both beginners and experienced divers.

    The Gulf of Thailand coast features warm, calm waters perfect for learning to dive. Experienced divers will appreciate the more challenging sites at Koh Tang and Condor Reef, where larger pelagic species and dramatic underwater topography await.

    Pro Tip

    Book a liveaboard trip to Koh Tang for the best diving experience. The 3-4 hour journey from Sihanoukville is worth it for pristine reefs rarely visited by day-trippers.

    Top Dive Sites

    Cambodia's dive sites range from easy shore dives perfect for beginners to challenging deep sites for advanced divers.

    Dive SiteDepthHighlightsLevel
    Koh Rong Samloem5-25mPristine coral gardens, seahorses, nudibranchs, excellent visibilityAll levels
    Koh Tang10-35mLarger marine life, barracuda schools, reef sharks, dramatic wallsAdvanced
    Koh Prins8-22mMacro diving paradise, colorful soft corals, peaceful atmosphereBeginner-Intermediate
    Condor Reef15-30mUnderwater pinnacles, strong currents, pelagic speciesAdvanced
    Koh Rong (West)5-18mEasy shore dives, night diving, bioluminescent plankton nearbyBeginner

    Recommended Dive Operators

    Choose a reputable dive operator with certified instructors and well-maintained equipment.

    Scuba Nation Cambodia

    Koh Rong Samloem

    PADI courses, reef conservation

    From $80/2 dives

    Full Guide

    Dive Shop Cambodia

    Sihanoukville

    Technical diving, liveaboards

    From $90/2 dives

    Full Guide

    The Dive Shop

    Koh Rong

    Discover Scuba, fun dives

    From $75/2 dives

    Full Guide

    Eco-Sea Dive

    Koh Rong Samloem

    Eco-friendly diving, marine biology

    From $85/2 dives

    Full Guide

    What to Bring

    Essentials

    • • Dive certification card (for certified divers)
    • • Logbook
    • • Reef-safe sunscreen
    • • Swimsuit and rash guard
    • • Towel and change of clothes
    • • Underwater camera (optional)

    Safety Notes

    • • No flying within 24 hours of diving
    • • Stay hydrated before and after dives
    • • Declare any medical conditions
    • • Dive within your certification limits
    • • Consider dive insurance (DAN recommended)

    Important

    The nearest hyperbaric chamber is in Phnom Penh (3-4 hours away). Dive conservatively and consider purchasing dive insurance before your trip.

    Frequently Asked Questions

    The best diving season is from October to June, with peak conditions from November to April. Visibility ranges from 10-30 meters during dry season. July to September brings monsoon conditions with reduced visibility and rougher seas, though diving is still possible.

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    On This Page

    • Why Dive in Cambodia?
    • Top Dive Sites
    • Dive Operators
    • What to Bring
    • FAQ

    Data Sources & Official References

    Ministry of Tourism, CambodiaGeneral Department of ImmigrationWorld Bank Open Data
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