Peel is a seaside town and small fishing port in the Isle of Man, in the historic parish of German but administered separately. Peel is the third largest town in the island after Douglas and Ramsey but the fourth largest settlement, as Onchan has the second largest population but is classified as a village. Until 2016 (when it was merged with Glenfaba) Peel was also a House of Keys constituency, electing one Member of the House of Keys (MHK), who, from September 2015, was Ray Harmer. Peel has a cathedral, seat of the Diocese of Sodor and Man (the diocese was founded when Mann was ruled by the Norse).

Peel Castle is on St Patrick's Isle, a small island connected to Peel Hill by a causeway. It is thought that the castle was started by Magnus Barelegs (King Magnus III of Norway, also known as Magnus Barefoot) and then extended in 1392 by William le Scrope, 1st Earl of Wiltshire. The castle is now a tourist attraction open in summer. There is a public footpath around the castle. Archaeological investigations have uncovered evidence of a cemetery dating to around AD 550, and Norse fortifications. The "Pagan Lady" burial discovered within the castle grounds was a Christian-style grave but with various grave goods in the Norse style, including a necklace of beads traded from various countries in Europe and the Mediterranean. No pagan Viking-age burial in the British Isles has produced grave goods of such high quality.

Peel Castle/St Patrick's Isle is a Dark Skies astronomy site, meaning that there are low levels of light pollution, so that fainter night sky features such as the Milky Way may be seen on a clear night. Peel Head has been used as a vantage point for viewing the Northern Lights when conditions are favourable, as it has a clear and elevated view to the Northern horizon. Peel is well known for sunsets over the sea (hence its moniker "Sunset City"): sometimes these outline the Mourne Mountains in Northern Ireland, directly to the west of Peel.