Rotten Island Donegal The lighthouse guides vessels through

The lighthouse guides vessels through the Atlantic waters off Mayo’s rugged coastline and serves as a vital navigational aid for ships entering the bay

with keepers once living on the isolated rocks year-round

The lighthouse’s towering height and its strategic location make it a critical part of the region’s maritime infrastructure

small islands formed by glacial activity

is famously known as the “upside-down” lighthouse due to its unique design

Rotten Island Donegal The lighthouse guides vessels throughRotten Island lighthouse, a harbour light established in 1821, sits at the entrance to Killybegs Harbour, one of Irelands most important fishing ports. The lighthouses role in guiding vessels into the harbour is crucial, given the hazardous rocks surrounding the area. Its said the name derives from 'Naomh Rotain' (Saint Rotain), a monk reputed to have lived as a hermit on the small island. Rotten Islands main claim to fame is that it was the last