15-30m
    Caribbean Coast, Costa Rica
    Marino las Baulas de Guanacaste

    Cuatro piedras, Catalina Islands

    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 - Cuatro piedras, Catalina Islands offers some of Caribbean Coast's richest wall 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
    CharacterWall dive · max 15-30m
    StandoutExceptional marine biodiversity

    Cuatro Piedras is one of our go-to spots in the Catalinas, especially if we’re looking for a slightly more relaxed dive. The name means "Four Rocks," and that’s precisely what you get: four distinct rock formations creating channels and swim-throughs, all sitting in a sandy basin. It’s shallower than some of the other Catalina sites, topping out around 18 metres, which means more bottom time to really explore. We love picking a channel and just drifting through, keeping an eye out for whitetip reef sharks resting on the sand or patrolling the edges. Our favourite part is the sandy patch between the rocks. It’s a bit like a sheltered amphitheatre, often protected from the stronger currents that can sweep through the outer channels. Here, you’ll find plenty of bridled sand perches poking their heads out, and we’ve even spotted big bignose congers tucked into crevices. Visibility averages around 9 metres, which isn't Bali, but it’s usually enough to get a good sense of the layout and pick out the smaller creatures like antler dragonets scooting over the rocks. We often spend a good chunk of the dive just focusing on the sand, finding chocolate tonguefish and the occasional spotted sharpnose puffer. It’s a fantastic site for newer divers to get comfortable with currents without being overwhelmed, while still offering enough complexity to keep experienced divers engaged.

    Typical Cuatro piedras, Catalina Islands Dive Profile

    5m10m15mSafety Stop0m15m max~50 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

    Always perform a 3-minute safety stop at 5m before surfacing.

    Today05:3317:3011h 57m daylightGolden hour 17:01

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    Conditions

    Ocean conditions, forecast and tides for Cuatro piedras, Catalina Islands

    Cuatro piedras, Catalina Islands Ocean Conditions

    Monthly averages for Cuatro piedras, Catalina Islands, 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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