Salt Island & Cooper Island, British Virgin Islands
    Cooper Island

    Blue Chromis Reef

    Best months: Dec–Apr

    Protected Area

    Cooper Island

    Why dive here

    With 491+ marine species recorded in the area - including barracuda, blacktip reef sharks, dolphins, dwarf minke whales and eagle rays - Blue Chromis Reef offers some of Salt Island & Cooper Island's richest reef diving. Water ranges 27-30°C, warmest August, September, October.

    Best timeDec–Apr
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Blacktip Reef Sharks, Dolphins, Dwarf Minke Whales and Eagle Rays · 491+ species recorded
    Water27-30°C · warmest August, September, October
    CharacterReef dive
    StandoutExceptional marine biodiversity

    Blue Chromis Reef often gets a quiet nod as a beginner’s spot, and it is, but we think that understates its charm. At just 15m deep, it’s a brilliant place to stretch out a dive and really absorb the details. We love dropping in around those rock formations closer to shore; the overhangs are almost always packed with lobsters tucked into every crevice, and the way the light filters in around them is something special. You’ll see plenty of parrotfish here – the stoplights and redbands are everywhere, munching away. But for us, the real magic is in the smaller stuff, the stuff you only spot when you slow down. We’ve had great luck finding Rosy Blennies peeking out of holes, and the Mimic Blennies are always a treat. On one dive, we even found a Padded Clingfish, which is always a delightful surprise. The schools of blue and brown chromis drift and swirl, a constant, soothing movement that really defines the place. It’s a site for relaxing, for observing, and for appreciating the small wonders of the reef without feeling rushed. It suits divers who want to take their time and really explore a shallow, bustling coral garden.

    Today06:1118:0011h 48m daylightGolden hour 17:30

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    Conditions

    Ocean conditions, forecast and tides for Blue Chromis Reef

    Blue Chromis Reef Ocean Conditions

    Monthly averages for Blue Chromis Reef, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (18.37, -64.56) (2km away)

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    October Averages

    Sea Temperature

    30°C

    86°F · Range: 28.9–31°C

    Air Temperature

    28°C

    82°F

    Wind Speed

    7.7 m/s

    15.0 knots

    Atmospheric Pressure

    1013.1 hPa

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data

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