[1] Construction of the lighthouse began in the spring of 1950 on the Suomenlinna shipyard.
The lighthouse stands 27 m (89 ft) above sea level and was originally built to replace a lightship station.
[3] The lighthouse's white flashing light was lit for the first time in the autumn of 1953.
In 1977, the tower's construction was reinforced and a helicopter landing pad was built on the roof.
The lighthouse is operated from Harmaja pilot station and can only be accessed by boat.