Malpelo Island, Colombia
    Jhonny Cay Regional Park

    Cayo Arena

    Best months: Jan–Apr

    Protected Area

    Jhonny Cay Regional Park

    Why dive here

    With 71+ marine species recorded in the area - including barracuda and pufferfish - Cayo Arena offers some of Malpelo Island's richest reef diving. Water ranges 28-30°C, warmest September, October, November.

    Best timeJan–Apr
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda and Pufferfish · 71+ species recorded
    Water28-30°C · warmest September, October, November
    CharacterReef dive

    Cayo Arena isn't your typical Malpelo big animal rush, and that's precisely why we love it. This is where you slow down, properly scour the reef, and start spotting the bizarre little stuff that makes Malpelo so unique. We’re talking Secretary Blennies peeking out from tiny holes, those wonderfully grumpy Spinyhead Blennies, and if you’re lucky, a Dwarf Frogfish hunkered down on a coral head, perfectly camouflaged. The reef here feels more like a carefully sculpted garden than the dramatic drop-offs elsewhere. Mustard Hill Coral forms terraced landscapes, peppered with Leathery Barrel Sponges and the subtle pinks of Blushing Star Coral. Look closer, and you’ll find Pacific Spotted Scorpionfish doing their best impression of a rock. We've seen Hawksbill Turtles grazing quietly, completely unfazed by divers. It’s a site for those moments of discovery, the kind where you spend five minutes staring at one square metre, then surface buzzing about some tiny creature no one else noticed. Dive this one in the late morning, the light catches the corals just right.

    Today06:1618:1111h 55m daylightGolden hour 17:43

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    Conditions

    Ocean conditions, forecast and tides for Cayo Arena

    Cayo Arena Ocean Conditions

    Monthly averages for Cayo Arena, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (12.4, -81.47) (108km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    30°C

    86°F · Range: 29.3–31.3°C

    Current Speed

    13.42 cm/s

    Direction: NE (63.4°)

    Chlorophyll-a

    0.094 mg/m³

    Very clear (oligotrophic)

    Salinity

    34.38 PSU

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

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