Wreck of U-331
Why dive here
With 148+ marine species recorded in the area - including dolphins, octopuses, sea turtles, sperm whales and cuttlefish - Wreck of U-331 offers some of Balearic Islands's richest wreck diving. Water ranges 15-29°C, warmest July, August, September.
The U-331 wreck in the Balearics always delivers a quiet thrill. This Type VIIC U-boat, sunk in 1942, sits deep, typically in the 70-meter range, so it's one for the technical crowd. The sheer scale of it, lying on its side, is what truly impresses. We love how intact the conning tower remains, often swarming with schools of barracuda that shimmer in the ambient light. Dropping down, the bow section is especially atmospheric, with open torpedo tubes hinting at its wartime purpose. Inside, the pressure hull is largely collapsed in places, but you can still make out the outline of the control room. Look for lobsters tucked into every crevice and the occasional large grouper patrolling the stern. Our favourite detail is the anti-aircraft gun mount, now a solid platform for anemones and sponges. It’s a serious dive, requiring experience with deep stops and gas management, but for those with the training, it’s a tangible piece of history that’s become a thriving artificial reef. We always suggest keeping a keen eye on your bottom time here; it’s easy to get lost in the details.
Safety Notes
Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.
Reviews for Wreck of U-331
Conditions
Ocean conditions, forecast and tides for Wreck of U-331
Wreck of U-331 Ocean Conditions
Monthly averages for Wreck of U-331, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (39.52, 2.73) (12km away)
October Averages
Sea Temperature
24°C
75°F · Range: 21.3–25.9°C
Current Speed
26.93 cm/s
Direction: NE (31.3°)
Chlorophyll-a
0.141 mg/m³
Clear water
Salinity
37 PSU
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)
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