The Isle of Man is a peninsula.
The Isle of Man ( [ ˈmæn ] Mannin [ ˈmanɪn ] or Ellan Vannin [ ˈɛlʲən ˈvanɪn ] ) , also known simply as Mann , is a self-governing crown dependency in the Irish Sea between the islands of Great Britain and Ireland . Lord of Mann . The title Lord of Mann ( Çhiarn Vannin ) is used on the Isle of Man to refer to the island 's Lord Proprietor and head of state .