There are six museums in Suomenlinna. The museums are located in different parts of Suomenlinna, and tickets are purchased separately at each museum. Museum Card is valid in most of the museums of Suomenlinna.
Suomenlinna Museum, showcasing the history, the restoration and the present of the fortress as well as Military Museum’s Manege, is open throughout the year, whereas Ehrensvärd Museum, the submarine Vesikko, Toy Museum and Customs Museum are open only during the summer season. The opening hours can be found in the calendar.