DivePlnr
    Koh Bon Pinnacle dive site
    pinnacle
    18-40m
    Similan Islands, Thailand

    Koh Bon Pinnacle

    Best months: Jan–May

    Why dive here

    With 173+ marine species recorded in the area - including blacktip reef sharks, eagle rays, giant moray eels, whale sharks and clownfish - Koh Bon Pinnacle offers some of Similan Islands's richest pinnacle diving. Water ranges 29-31°C, warmest April, May, June.

    Best timeJan–May
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBlacktip Reef Sharks, Eagle Rays, Giant Moray Eels, Whale Sharks and Clownfish · 173+ species recorded
    Water29-31°C · warmest April, May, June
    CharacterPinnacle dive · max 18-40m
    StandoutExceptional marine biodiversity

    Koh Bon Pinnacle, sometimes called 'Fishermen's Nightmare', sits a few hundred meters northwest of Koh Bon island. The top of the pinnacle starts around 18m, making it a spot we'd suggest for experienced divers comfortable with a negative buoyancy entry, as currents can be quite strong here. On the colorful coral-dusted peaks, you're in with a good chance of spotting Napoleon wrasse and hunting trevallies darting about. Mantas cruise through the blue water, and if you peek into the deeper crevices, you might even find a sleeping leopard shark.

    Typical Koh Bon Pinnacle Dive Profile

    10m20mSafety Stop0m18m max~50 min estimated bottom time

    Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.

    Safety Notes

    Always perform a 3-minute safety stop at 5m before surfacing.

    Today06:1618:1611h 59m daylightGolden hour 17:48

    Nearest Dive Centres to Koh Bon Pinnacle

    Dive shops near Koh Bon Pinnacle

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    Diving center

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    Conditions

    Ocean conditions, forecast and tides for Koh Bon Pinnacle

    Koh Bon Pinnacle Ocean Conditions

    Monthly averages for Koh Bon Pinnacle, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (8.1, 98.3) (6km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    30°C

    85°F · Range: 28.7–30.4°C

    Current Speed

    5.1 cm/s

    Direction: S (191.3°)

    Salinity

    29.75 PSU

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)

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