Suomenlinna Church

Suomenlinna Church is a stone building with a plastered grey facade and square tower rising from Iso Mustasaari island. The structure stands at about 27 meters tall and features clean, geometric lines that are visible from across the fortress grounds.

The building was constructed in 1854 as an Orthodox garrison church featuring five onion domes and underwent transformation to a Lutheran church during the 1920s following Finland's independence. This shift reflects the religious and political changes the nation experienced during that period.

The church serves as a gathering place for Lutheran worship and hosts weddings, concerts, and community events in the fortress complex. It remains central to the social life of the island, bringing together locals and visitors throughout the year.

The church opens daily during summer months (June to August) and has limited hours during colder seasons. Planning your visit according to seasonal schedules helps you make the most of your time on the island.

The church tower functions as an active lighthouse for maritime navigation, sending four consecutive light signals that spell out the letter H for Helsinki. This unexpected dual purpose shows how the structure serves both spiritual and practical maritime needs.

Location: Helsinki

Inception: 1854

Architects: Konstantin Thon

Elevation above the sea: 14 m

Height: 27 m

Accessibility: Wheelchair inaccessible

Made from material: stone

Opening Hours: June-August Monday-Sunday 10:00-16:00; September-May Wednesday 11:30-13:30; September-May Thursday-Tuesday 12:00-16:00

Website: http://helsinginkirkot.fi/fi/kirkot/suomenlinnan-kirkko

GPS coordinates: 60.14786,24.98634

Latest update: December 10, 2025 20:04