5-18m
    Koh Tao, Thailand
    Mu ko Chang

    BBDivers

    Best months: Jan–Dec

    Protected Area

    Mu ko Chang

    Why dive here

    With 54+ marine species recorded in the area - including sea turtles, tiger sharks and pufferfish - BBDivers offers some of Koh Tao's richest reef diving. Water ranges 28-31°C, warmest April, May, June.

    Marine lifeSea Turtles, Tiger Sharks and Pufferfish · 54+ species recorded
    Water28-31°C · warmest April, May, June
    CharacterReef dive · max 5-18m

    BBDivers is a site that often gets overlooked on Koh Tao, but we think that's a mistake. It’s got this lovely, sloping reef that just feels… comfortable. The depth drops gently, making it really accessible for divers still building confidence, but there’s enough going on to keep more experienced eyes busy. We often find ourselves drifting along, spotting Blackedge thicklip wrasse poking around the rocks and schools of Blue and Gold Fusiliers zipping past. The real magic here, for us, is in the smaller details. Keep an eye out for the Dusky Parrotfish crunching away at the coral, their jaws making that distinctive grinding sound you can sometimes hear even through your hood. And those Black sea cucumbers, they’re everywhere, slowly trawling the sand, a gentle reminder of the reef's cleanup crew. We’ve had some fantastic encounters with Slender groupers too, peeking out from under ledges. It's not a site for big pelagics, but if you love a relaxed dive with plenty of reef fish action and a chance to truly observe behaviour, BBDivers is a top pick. Go in the morning, the light hits the slope just right.

    Typical BBDivers Dive Profile

    5mSafety Stop0m5m max~60 min estimated bottom time

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

    Today06:0118:2712h 26m daylightGolden hour 17:58

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    Conditions

    Ocean conditions, forecast and tides for BBDivers

    BBDivers Ocean Conditions

    Monthly averages for BBDivers, sourced from Copernicus Marine satellite data

    August Averages

    Sea Temperature

    29.68°C

    85°F

    Current Speed

    29.43 cm/s

    Direction: E (99.8°)

    Salinity

    31.53 PSU

    Data sources: Copernicus Marine Service (EU)

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