5-12m
    Caribbean Coast, Costa Rica
    Marino las Baulas de Guanacaste

    Coco Bay

    Good diving all year

    Protected Area

    Marino las Baulas de Guanacaste

    Why dive here

    With 217+ marine species recorded in the area - including dolphins, humpback whales, orcas, sea turtles and pufferfish - Coco Bay offers some of Caribbean Coast's richest reef diving. Water ranges 29-31°C, warmest March, April, May.

    Best timeYear-round
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeDolphins, Humpback Whales, Orcas, Sea Turtles and Pufferfish · 217+ species recorded
    Water29-31°C · warmest March, April, May
    CharacterReef dive · max 5-12m
    StandoutExceptional marine biodiversity

    Coco Bay often gets overlooked, dismissed as just a training ground. And yes, it’s certainly calm enough for skills practice or getting reacquainted with your buoyancy after a long break. But honestly, if you take your time, there’s some really interesting macro stuff going on here. We often drop in for a slow poke around the sandy patches and the occasional rock pile, maxing out at about 15m. Visibility averages around 8m, sometimes less, so it’s not about grand vistas. What we love are the little discoveries. You’ll find surprisingly colourful blennies tucked into every crevice – the Bluntspine and Phallic Blennies are always a treat. Keep an eye out for Panamic frillfins and hourglass clingfish clinging to the rocks. We’ve even seen nurse sharks cruising the sand. Our favourite trick is to really get down low and comb the sand for Baja California ceriths and the gaudy frog shells. It’s a site for the patient observer, someone who enjoys the hunt for the small, the camouflaged, and the slightly absurd.

    Typical Coco Bay 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.

    Today05:3217:2911h 57m daylightGolden hour 17:01

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    Conditions

    Ocean conditions, forecast and tides for Coco Bay

    Coco Bay Ocean Conditions

    Monthly averages for Coco Bay, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (9.78, -84.89) (48km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    29°C

    85°F · Range: 27.9–31.1°C

    Current Speed

    5 cm/s

    Direction: N (0°)

    Chlorophyll-a

    0.142 mg/m³

    Clear water

    Salinity

    28.81 PSU

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

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