As well as the main island of Mann itself, the Isle of Man includes some nearby small islands: the seasonally inhabited Calf of Man; Chicken Rock on which stands an unmanned lighthouse; and St Patrick's Isle and St Michael's Isle, both connected to the mainland by permanent roads/causeways.
Mann is located in the middle of the northern Irish Sea, approximately equidistant from the islands of Britain and Ireland. In the context of Britain, the island lies closest to Scotland followed by England and then Wales.
The Isle is 52 kilometres long and 22 kilometres wide at its widest point. It has an area of around 572 square kilometres.