Portugal-wide season and visibility baseline.
Iconic Portuguese U-boat wreck for advanced boat divers.
Iconic Portuguese U-boat wreck for advanced boat divers.
U-1277 is a celebrated Portuguese submarine wreck off Matosinhos, lying on its port side with the bow pointing southeast. It is a demanding Atlantic wreck dive that rewards experienced scuba divers with a preserved WWII profile, anemones, pouts, octopus, conger eels, lobster, and other macro life across the hull, plus a historically important submarine profile.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
31m
Depth Note
The wreck lies on a sandy bottom at about 31 m and is described by operators as a 30-31 m wreck dive.
Best Season
April-October
Typical Conditions
Atlantic wreck diving with variable visibility, deep water, and overhead wreck structure; advanced divers are the norm.
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
This is a deep wreck with overhead structure and variable visibility. Keep buoyancy, gas planning, and wreck awareness disciplined, and use an operator comfortable with the site.
Access Restrictions
Accessible only by boat from the Porto / Leixões area.
Legal Notes
Use an operator familiar with the wreck and the local Atlantic conditions; access is boat-only and depth is significant.
Community notes to help plan your visit.
Scuba Diving
A boat-entry wreck dive on a German submarine lying on its port side at roughly a 45° angle, with the bow pointing southeast.
Freediving
Not a baseline freedive site; the depth and wreck structure make scuba the practical choice.
Snorkeling
Not a snorkel-first site; the wreck sits well beyond normal surface exploration and is best appreciated underwater.
Species commonly reported at this site, with direct links into their wildlife guides.
Community dive logs and visit reports for this site.
Average conditions based on logged dives & visits.
Planning answers for access, conditions, timing, and site logistics.
Last Updated
Research Sources
Portugal-wide season and visibility baseline.
Historical submarine record and dive-site context.
Tour page with advanced-diver guidance and depth context.
Local dive-spot page with site description.
Trip report with wreck-life observations and seasonal note.
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