Suomenlinna has some 30 tourism service providers catering to visitors.
The services of Suomenlinna include restaurants and cafés, museums and exhibition services, water traffic services as well as one accommodation provider. Several artisans and art-world representatives also operate in Suomenlinna. The sea fortress also houses public operators and associations, such as the Naval Academy and Suomenlinna Prison as well as the Viaporin Telakka and Suomenlinnaseura associations.
The Fortress of Suomenlinna strives to actively develop sustainable tourism, both at home and through efforts to help develop tourism at other World Heritage Sites in Finland and internationally. Together with other World Heritage Sites and national parks in Finland, Suomenlinna is committed to the principles of sustainable tourism.