The characteristic feature of this lighthouse would be to help, along with the Cíes, to provide a safer entry from the south of the Vigo estuary to discover the interior light of A Guide, as well as being an effective auxiliary for ships heading to The estuary of Vigo and its lazareto or the port of Bayona.
The first lighthouse was entrusted to Joaquín Bellido and was lit on March 31, 1862 with a fourth-order catadioptric apparatus and a range of 17 miles.
The second lighthouse, the work of Ramón Martínez Campos, was intended to replace the former and modify its scope. It is lit in 1924 but the light of the first one is kept on for a month so that the coastal vessels that frequented the port of Bayonne took new references.
In 1932 its electrification takes place. In September 1955 it became an aeromarítima signal and more recently the automation of the luminous signal and its installation, with a range of 30 miles.
Curiosities, myths and legends
The military battery of Sillero Cape was abandoned in 1998. From the Spanish Civil War until that date protected the estuary of Vigo.
It was built on land that was "withdrawn" from the neighbors of Baredo after the Civil War, without giving them anything in return.
The workers who participated in the construction of the tunnels were the prisoners of war and the neighbors of the zone.
The old guns are connected by 200 m of passageways underground and there was an evacuation tunnel, now covered, that led to the mountains of Baredo.
