These Sea Fortress Suomenlinna tickets and tours are offered in multiple languages: Private Helsinki tour with ParisRio Local Guide (From US$274.01) Private Taste of Helsinki and Suomenlinna (From US$641.57) Redrib Helsinki Experience 1 (From US$135.53) Money Saver: Hop-On Hop-Off Bus and Sightseeing Boat Tour (From US$43.79) Helsinki Self-Guided Audio Tour (From US$5.00) See all Sea Fortress Suomenlinna experiences on Tripadvisor