The museum's exhibition introduces visitors to the history of shipping and related industries in Slovenia. The collection includes old maps, navigation equipment, models and photographs of ships, and even sailors' uniforms. Here you can learn about overseas trade, starting from prehistoric times, as well as about fishing - gear, special vessels, and methods of processing fish. The collection contains more than 14 thousand exhibits.

Just 4 km from the small town of Portorož are the largest saltworks in the entire Adriatic – places where sea salt has been mined for centuries. Here you will see entire cascades of vast pools with natural bottom coverings, where salt is harvested manually, the technology of which has remained unchanged since the 13th century.