Base de Sous-Marins
4.5(2,610)
Museum
About
Base de Sous-Marins in Lorient is a massive WWII German naval base turned interactive museum, offering a deep dive into submarine history. Explore the 1960s French diesel-electric sub Flore-S645 and tour the immense concrete pens that shaped the Battle of the Atlantic.
The site blends historical engineering marvels with engaging exhibits and guided tours, mostly in French, making it a distinctive venue for groups interested in military history and maritime innovation. Nearby cafés and free parking support seamless event logistics.
Best for
- Immersive historical team-building tours
- Unique client entertaining experiences
- Small group educational offsites
Standout features
Historic Architecture
Largest WWII German submarine base in Europe
Constructed during World War II, this massive naval base is an engineering marvel and Europe's largest submarine fortress, offering a tangible connection to the Battle of the Atlantic.
Interactive Maritime Museum
Tours of a 1960s French diesel-electric submarine
Visitors can explore the Flore-S645, one of only four French submarines open to the public, with guided tours enhanced by an original podcast series that brings submarine life and history to life.
At a glance
Location & hours
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Hours
Sunday10am – 6pm
Monday10am – 6pm
Tuesday10am – 6pm
Wednesday10am – 6pm
Thursday10am – 6pm
Friday10am – 6pm
Saturday10am – 6pm
Rated 4.5 on Google · 2,610 reviews