Lighthouse and watchtower, with attached building at the entrance of the old harbour

This is a mid-19th century, three-storey lighthouse and watchtower, accompanied by a long single-storey building at the entrance of the old harbour. It is constructed from rubble masonry with limestone dressings and a plinth, topped with slate roofs. The lighthouse and watchtower feature battered walls and a hipped roof. The lower two storeys display exposed stonework, including large limestone quoins at the corners. Above the second storey, there is a slightly advanced string course, and the upper elevations are rendered. The windows are six-pane casements, with one on each storey of the south elevation and a single upper storey window at the west end of the north elevation, which faces the sea.

The long range attached to the east wall of the tower likely originally had a gable roof, but it has since been raised along the south wall and now has a single pitched roof sloping down to the north. The south elevation features a doorway at the far left (west) end, with a six-pane casement window to its right. Offset towards the right end of the range are two narrow slots. At the far right (east) end, there is a wide doorway with a shallow cambered head, inscribed with the date 1853.

The interior was not inspected during the survey.