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Sea Fortress Suomenlinna, Helsinki

4.5
#1 of 1,931 in Things to do in Finland
Must see · World heritage site · Military Museum · Military Facility
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Visit World Heritage Site Sea Fortress Suomenlinna to see a sea fortress built on a collection of six islands. This ruggedly beautiful spot is a favorite among both locals and tourists. The fortress was built in 1748 and inhabited by Swedes and Russians until 1918, when it became a part of independent Finland. View the impressive fortified structure, constructed by the Swedish crown to withstand attacks from 18th-century Russia (who eventually overtook the islands in 1808). Nowadays the site supports a town with civilian inhabitants and draws visitors from the mainland of Finland. For travelers who use our online itinerary creator, Helsinki holidays become easier to arrange, with trips to the Sea Fortress Suomenlinna and other attractions mapped out and timetabled.
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Sea Fortress Suomenlinna reviews

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TripAdvisor traveler rating 4.5
8,178 reviews
Google
4.6
TripAdvisor
  • Our visit was in mid June and on a rainy day. Walking kept us warm and a lovely visit to a tea and pastries shop kept us going. The island was in full bloom with lilacs and wildflowers. Ferns and... 
    Our visit was in mid June and on a rainy day. Walking kept us warm and a lovely visit to a tea and pastries shop kept us going. The island was in full bloom with lilacs and wildflowers. Ferns and...  more »
  • Suomenlinna is a beautiful and unique place to visit in Finland. It has a long military history can be learned through both the numerous museums and available tours. I went with my father and he... 
    Suomenlinna is a beautiful and unique place to visit in Finland. It has a long military history can be learned through both the numerous museums and available tours. I went with my father and he...  more »
Google
  • This was probably the coolest thing we did in Helsinki. You take a ferry to the island. There are a lot of trails, we mostly stayed on the blue line with only a couple deviations. The River that cuts through the middle was awesome. Near the end you can walk up a hill toward some cannons. Don’t miss this!! There are little mounds that look like a hobbit city!! It’s a really cool landscape you can explore. You get great views of Helsinki from the cannon area too! We went into an art shop on the way back and they had some REALLY cool stuff that the locals that LIVE on the island make. Very talented people!! Loved this excursion!!
  • It is charming and great place to visit while you are in Helsinki. Regular public transport ticket is valid for boat riding. Just be prepared that here is few degrees lower temperature and wind is stronger than in city.

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