Caribbean Coast, Costa Rica
    Santa Rosa

    Punta Argentina

    Good diving all year

    Protected Area

    Santa Rosa

    Why dive here

    With 217+ marine species recorded in the area - including dolphins, humpback whales, orcas, sea turtles and pufferfish - Punta Argentina offers some of Caribbean Coast's richest cave 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
    CharacterCave dive
    StandoutExceptional marine biodiversity

    Punta Argentina is a site we keep coming back to, and it’s easy to see why it’s a favourite among the local dive operators. It's a proper pinnacle dive, meaning you can circle the whole formation, exploring overhangs and rock crevices as you go. We love the variety here; one minute you’re watching a Bandtail Frogfish blend into a sponge, the next a King Angelfish glides past, its colours popping against the blue. The real draw, though, is the promise of sharks. We’ve often found five to ten white-tip reef sharks snoozing in a pile on the sand bottom, a wonderfully peaceful sight. Look closely in the rocks for the smaller stuff – Barnacle Blennies poking their heads out, or the Granular Frog Shell, a real treat for macro enthusiasts. Keep an eye out for big schools of snapper and grunts, sometimes so dense they dim the light. Depths here max out around 19 metres, so it’s a comfortable dive for most experience levels. Visibility averages about 11 metres, which is decent enough for spotting both the resting sharks and the smaller, more elusive creatures.

    Safety Notes

    Overhead environment - never enter without proper cave/cavern training, redundant equipment, and a guideline.

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

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    Conditions

    Ocean conditions, forecast and tides for Punta Argentina

    Punta Argentina Ocean Conditions

    Monthly averages for Punta Argentina, 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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