Near to the dock museum, the moored museum boats allow visitors to discover part of the Port Museum’s collections. Several boats can be explored from hold to deck. These boats are the authentic and rare witnesses of history. The museum’s shipwrights carry out regular restoration work to preserve them, which visitors can watch.

The boats also tell of a particular socio-economic context and provide insight into various themes, such as port life, maritime resources as raw materials, sea fishing, sea routes, and European coastal navigation between ports around the continent. For example, in the 19th century, Norwegian sailboats similar to the Anna Rosa came to the Port-Rhu in Douarnenez. They brought roe for use in the sardine fisheries that supplied the numerous canneries.