Patarei Sea Fortress

Kalaranna fort is a building complex located by the sea in Tallinn, originally built as a fortress building (fort) and later used as a prison. The complex is located in Tallinn at Kalaranna 28 / Waterplane 2 and 4. After the conquest of Tallinn in 1710, after a few years, the Russians built the wooden soilford of Kalaranda.