11m
    Cornwall & Devon, United Kingdom
    Carricknath Point to Porthbean Beach

    LEON MARTIN (PART OF)

    Best months: Jul–Sep

    Protected Area

    Carricknath Point to Porthbean Beach

    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) - LEON MARTIN (PART OF) 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 11m
    StandoutExceptional marine biodiversity

    The Leon Martin is a real favourite of ours when we’re diving the south coast of Cornwall. This tanker, sunk by a mine in 1940, lies in just 11 metres, making it perfect for longer dives and even a good introduction to wreck diving. She’s broken up now, scattered across the seabed, but that’s part of her charm. We love poking around the plates and twisted metal, imagining the sheer size of her when she was intact. Look closely and you’ll find plenty of life sheltering in the nooks and crannies. Conger eels are often coiled up in the larger pieces of wreckage, and the smaller swim-throughs are usually packed with pollack. We’ve had some cracking dives here, with visibility often hitting 8-10 metres on a good day, especially around slack tide. It’s a great site for photographers, the light playing beautifully off the metal, and the shallower depth means you get good ambient light for most of the dive. Just watch the currents around spring tides, they can really rip through here.

    Typical LEON MARTIN (PART OF) Dive Profile

    5m10mSafety Stop0m11m 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.

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

    Today06:3617:3911h 3m daylightGolden hour 16:55

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    Conditions

    Ocean conditions, forecast and tides for LEON MARTIN (PART OF)

    LEON MARTIN (PART OF) Ocean Conditions

    Monthly averages for LEON MARTIN (PART OF), sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (50.44, -2.73) (3km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    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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