What is the four-letter name of the island, the second largest in Wales, that lies just off the west coast of Anglesey?
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
Puffin Island (Anglesey) Puffin Island (Anglesey) Puffin Island () (at or ) is an uninhabited island off the eastern tip of Anglesey, Wales. It was formerly known as Priestholm in English and Ynys Lannog in Welsh. A hermitage was established here around the 6th century and there are remains of a 12th-century monastery on the island. The island is also a Special Protection Area for wildlife. Puffin Island is the ninth largest island off the coast of Wales and marks the northeastern end of the Menai Strait. Puffin Island's highest point is Carboniferous limestone, at above sea level having steep cliffs on all