Finngrundet Lightship
Built in 1903 by Gavle.
Anchored at the Finngrundet banks in the southern Bothnian Sea during the ice-free season. Crew of 8.Decommissioned and preserved in 1969.
In 1927 the paraffin lamps were replaced by an AGA beacon, and this in turn was electrified in 1940. Range of beacon: 11 nautical miles.