32m
    Istria Peninsula, Croatia
    Vrsarski otoci

    M.L. 558

    Best months: Jul–Aug

    Protected Area

    Vrsarski otoci

    Why dive here

    With 46+ marine species recorded in the area - including dolphins, sea turtles and cuttlefish - M.L. 558 offers some of Istria Peninsula's richest wreck diving. Water ranges 12-26°C, warmest July, August, September.

    Best timeJul–Aug
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeDolphins, Sea Turtles and Cuttlefish · 46+ species recorded
    Water12-26°C · warmest July, August, September
    CharacterWreck dive · max 32m

    The M.L. 558 is a peculiar wreck, often overlooked for Istria's bigger names, but we think it’s a real treat. This British motor launch went down in 1945, reportedly mined. It sits upright at 32 metres, surprisingly intact. Our favourite part is navigating the superstructure; you can really get a feel for its original layout. The wheelhouse is especially atmospheric, with light filtering through the open spaces, casting long shadows. Inside, you’ll often find conger eels coiled up, their heads peeking out, watching you pass. Around the deck, schools of damselfish flit amongst the rusting metal, and we’ve seen some decent scorpionfish camouflaged on the hull. It’s not a coral garden by any stretch, but the marine growth clinging to the metalwork is fascinating. We'd suggest aiming for a calm day; while the wreck itself isn’t deep, the visibility can shift. It’s a great site for divers who appreciate history and a bit of exploration without strong currents.

    Typical M.L. 558 Dive Profile

    15m30mSafety Stop0m32m max~20 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

    Deep dive (32m) - monitor air consumption closely. Advanced certification recommended.

    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.

    Today06:1717:3111h 13m daylightGolden hour 16:51

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    Conditions

    Ocean conditions, forecast and tides for M.L. 558

    M.L. 558 Ocean Conditions

    Monthly averages for M.L. 558, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (45.08, 14.15) (21km away)

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    October Averages

    Sea Temperature

    20°C

    68°F · Range: 18.4–22.3°C

    Current Speed

    3.16 cm/s

    Direction: W (288.4°)

    Salinity

    37.74 PSU

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

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