North Stack North Stack North Stack (Welsh: Ynys Arw, meaning "rugged island") is a small island situated just off Holy Island on the north-west coast of Anglesey. North Stack can also refer to the headland opposite the island. This is the site of a redundant fog warning station, comprising a number of buildings, including the Trinity House Magazine, built in 1861, where shells for the warning cannon were stored. These buildings now house a bird watching observatory, giving a view of South Stack lighthouse across Gogarth Bay, and the studio of artist Philippa Jacobs. The Precambrian quartzite cliffs of this headland, including
Anglesey Sea Zoo zoo were the away shirt sponsors for Welsh Premier League side Bangor City F.C.. Anglesey Sea Zoo The Anglesey Sea Zoo () is an aquarium, and independent research and marine education centre on the south coast of Anglesey island in North Wales. Located just outside the village of Brynsiencyn, Anglesey Sea Zoo claims to be the largest aquarium in Wales, and displays over 150 native species. The Anglesey Sea Zoo was opened in 1983 when the owners of a lobster shop wholesale business realized lobster tanks had become attractions in themselves. In 2007 the attraction was sold to research ecologists