Menai Strait
The Menai Strait hosts two annual open-water swimming contests: the Menai Strait Swim from Foel to Caernarfon (1 mile), and the Pier to Pier Open Water Swim, between Beaumaris and Garth Pier, Bangor. There is a 25-metre pool on the island at Plas Arthur Leisure Centre in Llangefni.