53m
    Cornwall & Devon, United Kingdom
    Castlemartin Coast

    GEORGIOS MARKETTOS (PROBABLY)

    Best months: Jul–Sep

    Protected Area

    Castlemartin Coast

    Why dive here

    With 176+ marine species recorded in the area - including blue sharks, dolphins, dwarf minke whales, humpback whales and ocean sunfish (mola mola) - GEORGIOS MARKETTOS (PROBABLY) offers some of Cornwall & Devon's richest wreck diving. Water ranges 10-18°C, warmest July, August, September.

    Best timeJul–Sep
    WetsuitA 5mm wetsuit
    Marine lifeBlue Sharks, Dolphins, Dwarf Minke Whales, Humpback Whales and Ocean Sunfish (Mola Mola) · 176+ species recorded
    Water10-18°C · warmest July, August, September
    CharacterWreck dive · max 53m
    StandoutExceptional marine biodiversity

    The Georgios Markettos, or at least what we strongly suspect is her, sits deep off the Cornish coast. Dropping down to 53 metres, this is one for the technical divers, no question. We love the challenge of this dive, descending into that cool, green water, knowing you're heading for something seriously old. The wreck herself, an 88-metre steamship, is largely broken but still holds enough structure to feel like a proper wreck dive. You’ll find the two massive boilers standing proud, often shrouded in schooling bib and pollack, a real visual treat when the light catches them. Inside the engine room, if you can navigate the silt, there's a triple-expansion engine waiting to be explored. We'd suggest checking the tides meticulously here; even a slight current at the surface can mean a serious drift at depth. This site suits experienced divers who appreciate history and don't mind a bit of a depth challenge for the reward of a classic British wreck. It's a deep dive that feels like a journey back in time, the metal framework now completely part of the seabed.

    Typical GEORGIOS MARKETTOS (PROBABLY) Dive Profile

    15m30m45m60mSafety Stop0m53m max~15 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

    Maximum depth 53m exceeds recreational limits (40m). Technical diving certification and equipment required.

    Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.

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

    Today06:3817:3811h 0m daylightGolden hour 16:52

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    Conditions

    Ocean conditions, forecast and tides for GEORGIOS MARKETTOS (PROBABLY)

    GEORGIOS MARKETTOS (PROBABLY) Ocean Conditions

    Monthly averages for GEORGIOS MARKETTOS (PROBABLY), sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (50.44, -2.73) (3km away)

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    October Averages

    Sea Temperature

    17°C

    62°F · Range: 15.1–17.5°C

    Air Temperature

    13°C

    56°F

    Wind Speed

    8.14 m/s

    15.8 knots

    Atmospheric Pressure

    1011 hPa

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data

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