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
East Mouse East Mouse East Mouse () is an islet found off the north coast of Anglesey, Wales. It is found just a few hundred metres away from the town of Amlwch. For this reason the island is known in Welsh as "Ynys Amlwch", Amlwch Island. The islet is tiny (a maximum 141 metres long by 61 metres wide) with a maximum area of only , and void of any significant flora and fauna. The islet is one of three similarly named islands off the north coast of Anglesey, the other two being West Mouse (Maen y Bugail) and Middle Mouse (Ynys