For the fortifications located in Northern England and the Scottish Borders, see Peel tower.
Not to be confused with Piel Castle, located 30 miles to the east on the coast of Great Britain.
Peel Castle is a castle in Peel, Isle of Man originally constructed by Vikings. The castle stands on St Patrick's Isle which is connected to the town by causeway. It is now owned by Manx National Heritage and is open to visitors during the summer.