Peninnis Lighthouse, Grade II listed lighthouse on Peninnis Head, St Mary's, Great Britain
Peninnis Lighthouse is a 14-meter steel tower located on St. Mary's island in the Scilly Isles, featuring a black lattice-work lower section and a white upper section with a balcony. The structure stands on a rocky headland at the southernmost point of the island, where it has guided ships for over a century.
The lighthouse was built in 1911 to replace the older light on St. Agnes island. Following its automation in 1922, it became one of the first gas-powered automated lighthouses in Britain.
The lighthouse marks the southernmost point of St Mary's island and guides vessels entering St Mary's Sound and Hugh Town harbour.
The lighthouse sits on an exposed rocky headland with strong winds and rough conditions, especially during storms. Plan your visit during calm weather and wear sturdy footwear for the rocky terrain.
Inside the tower remains the original rotating lens that is no longer in use, while a modern LED lantern mounted on the exterior rail now handles navigation duties. This dual arrangement shows how the historic structure has adapted to current operations.
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