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Sous marin U171

Type:
Scuba Diving
Entry:⚓Boat Entry
Difficulty:Advanced
Tags:
DeepWreck
About This Dive Spot

Known locally as “the submarine,” this wreck rests at about 38 m near Groix, lying along rocky plates and blocks. The conning tower rises roughly 7 m, offering a clear landmark on the site. Conditions can vary, with changeable visibility and current. The wreck is described as being in good condition; divers often look for details such as the periscope lens before ascending.

Planning details
Reported depth and seasonality.

Reported depth

38m+

Depth note

Wreck reported to lie at 38 m; the kiosk/conning tower rises about 7 m.

Typical conditions

Random/variable visibility and current are reported.

Safety & access
Hazards, restrictions, and required precautions.

Hazards

Strong currentLow visibility

Safety notes

Visibility and current can be variable; plan the dive accordingly, especially given the depth.

Where is this?
Map location of Sous marin U171
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Local intel
Community notes to help plan your visit.

Tailored notes for different activities.

Scuba

A deep wreck dive around 38 m, with a notable conning tower rising about 7 m.

Dive Spot Log Averages
Average conditions based on logged dives & visits
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Dive Conditions Planner
Current snapshot, today hourly conditions, and seven-day planning data.

Current snapshot

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Frequently Asked Questions

What's the best entry point at Sous marin U171?
Entry at Sous marin U171 is detailed in the spot description above. Look for specific landmarks, access paths, and any tide or condition requirements. Local divers often share updated entry tips in their dive logs.
What conditions are best for diving Sous marin U171?
Optimal conditions at Sous marin U171 depend on several factors including tide, wind, and season. Check recent dive logs for current condition reports and patterns. Generally, calmer seas and high tide provide better visibility and easier entry.
What is the maximum depth and typical visibility at Sous marin U171?
Depth and visibility information for Sous marin U171 can be found in the spot details and recent dive logs. Conditions can vary significantly based on weather, tide, and season. Always plan your dive according to current conditions and your certification level.
Are there any safety considerations or local etiquette at Sous marin U171?
When diving Sous marin U171, respect local regulations, marine life, and other water users. Be aware of any specific hazards like currents or boat traffic mentioned in the spot description. Follow Leave No Trace principles and local diving etiquette.