Holy Island, Anglesey Rhoscolyn, and Four Mile Bridge. Around of the Anglesey Coastal Path is on Holy Island. Peripheral islands and stacks include North Stack, and South Stack, with its famous lighthouse. Before – and even after – the construction of lighthouses, the cliffs and jagged rocks of the island were a great danger to sailors. 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
Holy Island, Anglesey scientific interest – Beddmanarch–Cymyran. Holy Island is connected to Anglesey by two road links. The first, the Stanley Embankment, is made up of causeways carrying the A5/A55 and the main railway line to Chester and London, and the original bridge of the A5 post road. The second is Four Mile Bridge, which carries a 'B' road and is much smaller. The main settlement is the port of Holyhead, from which passenger ferries travel to Dublin Port, Ireland, and freight ferries also travel to Dublin. Holyhead railway station is located in the town. Other settlements include the villages of Trearddur Bay,