📜 Historic church on Iso Mustasaari island, part of Suomenlinna fortress.
🔍 Functions as a lighthouse, signaling 'H' for Helsinki in Morse code.
⛪ Explore a unique church converted from Orthodox to Lutheran.
💡 See a church tower that doubles as a working lighthouse.
🗺️ Part of a UNESCO World Heritage site, accessible by ferry.
🚶 Easy access, open year-round during opening hours.
⛴️ Accessible by HSL ferry from Market Square, valid with Helsinki transport card.
🚶 Blue route connects all main sights on the island; check info center for accessibility.
⏰ Services held Sundays in Finnish, also used for cultural events.
💰 Ferry fee required to reach the island, no entrance fee to the church.
🕒 Open year-round during opening hours; services Sundays.
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