Wisconsin Maritime Museum
Shipbuilding, Great Lakes work, model vessels, and the intact World War II submarine USS Cobia connect Manitowoc’s riverfront to global naval history.

Artwork inspired by Frances Myers
USS Cobia is the museum’s defining encounter: a preserved Gato-class submarine whose cramped bunks, torpedo rooms, machinery, and control spaces make crew labor physically intelligible. Manitowoc-built submarines served elsewhere, but Cobia’s presence allows the city to interpret the industrial knowledge, workers, and launch infrastructure behind that wartime production.
The surrounding galleries widen the story beyond combat. Commercial fishing, shipwrecks, ferries, lake commerce, model ships, and children’s water systems show how inland seas shape settlement and risk. Reserve a submarine tour before arrival, then leave time to read the river outside as an active working route rather than a scenic backdrop.
- Submarine
- USS Cobia
- Class
- Gato-class
- Local legacy
- 28 submarines built in Manitowoc
Quick guide
- Reserve Cobia first
- Submarine access is capacity-controlled and is the part of the visit most likely to shape your timing
- Broader story
- Great Lakes work and shipbuilding
Use one submarine to understand an inland maritime city
- Reserve Cobia first
- Submarine access is capacity-controlled and is the part of the visit most likely to shape your timing.
- Count the compromises
- Look for where sleep, food, weapons, machinery, and escape compete for the same narrow volume.
- Return to Manitowoc
- Connect the boat to local shipyard workers and launch history rather than treating it as an isolated war artifact.
- Follow the river outdoors
- Compare museum maps and windows with the present harbor, bridges, lake route, and working waterfront.
Good to know
Cobia’s authentic ladders, hatches, and tight passages are not accessible to every body; substantial museum content remains available without boarding.
Notice these
- Torpedo rooms
- Control room
- Manitowoc shipbuilding story