Iso Mustasaari
Discover the Tranquil Beauty of Iso Mustasaari
A historic church and working lighthouse in Suomenlinna, offering a unique glimpse into Finland's past and present.
Originally built in 1854 as an Orthodox garrison church for Russian troops, the Suomenlinna Church stands as a unique landmark in the Suomenlinna fortress. Converted to a Lutheran church in 1918, it also functions as a lighthouse, guiding ships and aircraft with its distinctive Morse code signal.
Opening times, essentials, and a few local tips gathered into one calmer, easier-to-scan planning section.
Public Transport
The most common way to reach Suomenlinna Church is by taking the HSL ferry from Kauppatori (Market Square) in Helsinki. The ferry operates year-round, with departures every 20 to 60 minutes depending on the season and time of day. The journey takes approximately 15-20 minutes. A single ticket costs €3 and is part of Helsinki's public transportation network. From the main pier in Suomenlinna, walk towards the center of the island of Iso Mustasaari. Pass through the coastal barracks' arched walkway, and the church will be on your left.
Walking
Once you disembark the HSL ferry at the main pier, the Suomenlinna Church is approximately a 15-20 minute walk. Head south from the pier, passing through the arched walkway of the coastal barracks. Continue towards the center of Iso Mustasaari island. The church will be visible on your left, situated on a slight rise.
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