12m
    Mar del Plata, Argentina

    Viejo Bueno

    Best months: Jan–Mar

    Why dive here

    With 33+ marine species recorded in the area - including sperm whales - Viejo Bueno offers some of Mar del Plata's richest wreck diving. Water ranges 10-21°C, warmest January, February, March.

    Best timeJan–Mar
    WetsuitA 5mm wetsuit
    Marine lifeSperm Whales · 33+ species recorded
    Water10-21°C · warmest January, February, March
    CharacterWreck dive · max 12m

    Viejo Bueno isn't your average Mar del Plata dive. It's a proper wreck, not just some scattered debris, and that’s what we love about it. Lying in just 12 metres, the fishing trawler sank over 30 years ago, and time has done its work. The stern section is the most intact, with the prop still visible and a good portion of the superstructure to explore. You can peer into the old wheelhouse, imagining the last moments of the crew, though entry is for experienced wreck divers only. What makes Viejo Bueno a standout for us is how much life has moved in. Schools of silversides shimmer through the deck openings, and we’ve spotted plenty of king crabs clambering over the corroded metal. Look closely in the cracks and crevices; we often find nudibranchs here, small but beautifully coloured. Visibility can be hit or miss, typical for Mar del Plata, but on a good day, the light filters through, illuminating the wreck’s skeletal structure. We’d suggest diving this one on a slack tide for the best experience, as currents can be surprisingly strong. It’s a dive that rewards slow exploration and a keen eye.

    Typical Viejo Bueno Dive Profile

    5m10mSafety Stop0m12m 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.

    Cold water this month (avg 14°C). Drysuit or thick wetsuit (7mm+) recommended.

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

    Today05:2018:0512h 45m daylightGolden hour 17:31

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    Conditions

    Ocean conditions, forecast and tides for Viejo Bueno

    Viejo Bueno Ocean Conditions

    Monthly averages for Viejo Bueno, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-38.05, -57.5) (0km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    14°C

    56°F · Range: 11.1–16.9°C

    Current Speed

    2.83 cm/s

    Direction: SE (135°)

    Salinity

    0 PSU

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

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