There are six museums in Suomenlinna. The museums are located in different parts of Suomenlinna, and tickets are purchased separately at each museum. During the summer season, you can also buy a combined ticket to all museums, valid for the whole summer (from 1 May to 30 September).
Suomenlinna Museum, showcasing the history, the restoration and the present of the fortress, is open throughout the year, whereas Ehrensvärd Museum, the submarine Vesikko, Military Museum’s Manege, Toy Museum and Customs Museum are open only during the summer season. The opening hours can be found in the calendar.