10-30m
    Grand Cayman, Cayman Islands
    North West Point - West Bay Cemetery (Grand Cayman)

    Cobalt Ridge

    Best months: Dec–Mar

    Protected Area

    North West Point - West Bay Cemetery (Grand Cayman)

    Why dive here

    With 327+ marine species recorded in the area - including barracuda, bull sharks, oceanic whitetip sharks, orcas and sea turtles - Cobalt Ridge offers some of Grand Cayman's richest wreck diving. Water ranges 27-31°C, warmest August, September, October.

    Best timeDec–Mar
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Bull Sharks, Oceanic Whitetip Sharks, Orcas and Sea Turtles · 327+ species recorded
    Water27-31°C · warmest August, September, October
    CharacterWreck dive · max 10-30m
    StandoutExceptional marine biodiversity

    Cobalt Ridge is one of those Grand Cayman sites we keep coming back to, not for massive pelagics, but for the sheer volume of little critters. It’s a shallow dive, maxing out at 18 meters, which means plenty of bottom time to really scrutinize the reef. We love it for the macro life: the Dwarf Wrasse darting in and out of sponges, the tiny Yellowline Gobies perched on coral heads, and if you’re patient, you might spot an Arrow Blenny peeking out from its hole. The reef itself is a tapestry of corals, interspersed with sandy patches where you can find Yellow Stingrays half-buried. Keep an eye out for the Nassau Groupers, they’re usually quite curious here. Visibility is typically excellent, often reaching 24 meters, which makes spotting those smaller species much easier. This site really suits divers who appreciate slowing down and observing the intricate details of a Caribbean reef, rather than zooming past everything. Our favourite time to dive it is mid-morning, just as the light really starts to filter through, illuminating all the nooks and crannies.

    Typical Cobalt Ridge Dive Profile

    5m10mSafety Stop0m10m 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.

    Safety Notes

    Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.

    Today06:1918:0711h 48m daylightGolden hour 17:38

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    Conditions

    Ocean conditions, forecast and tides for Cobalt Ridge

    Cobalt Ridge Ocean Conditions

    Monthly averages for Cobalt Ridge, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (19.38, -81.32) (5km away)

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    October Averages

    Sea Temperature

    30°C

    87°F · Range: 29.1–31.8°C

    Current Speed

    4.47 cm/s

    Direction: NW (296.6°)

    Chlorophyll-a

    0.045 mg/m³

    Very clear (oligotrophic)

    Salinity

    36.14 PSU

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

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