South Stack Lighthouse of Anglesey for east-bound ships. It is followed by lighthouses, fog horns and other markers at North Stack, Holyhead Breakwater, The Skerries, the Mice, Point Lynas and at the south-east tip of the island Trwyn Du. The lighthouse is operated remotely by Trinity House. It has been visited by the team at "Most Haunted". Visitors can climb to the top of the lighthouse and tour the engine room and exhibition area. The lighthouse is open seasonally. <br> South Stack Lighthouse The South Stack Lighthouse is built on the summit of a small island off the north-west coast of Holy Island,
Holy Island, Anglesey Holy Island, Anglesey Holy Island (, 'the island of (Saint) Cybi') is an island () on the western side of the larger Isle of Anglesey, Wales, from which it is separated by a narrow, winding channel. It is called "Holy" because of the high concentration of standing stones, burial chambers, and other religious sites on the small island. The alternative and historic name of the island is Holyhead Island. According to the 2011 UK Census, the population was 13,659, of which 11,431 (84%) lived in the largest town, Holyhead. Irish pirates invaded Anglesey following the end of Roman rule in