This is a list of castles in the Isle of Man.
| Name | Type | Date | width=100px | Location | Condition | Image | Ownership | Notes |
|---|---|---|---|---|---|---|---|---|
| Bishopscourt | Fortified manor house | 14th–19th centuries | 2 km NE of Kirk Michael on A3 road | Rebuilt | Private | Remains of 14th century tower incorporated in later house. Former residence of the Bishop of Sodor and Man.[1] | ||
| Castle Rushen | Keep and bailey | 13th–14th centuries | Castletown | Intact | Former residence of the Lords of Man. Converted for use as a prison in the 19th century. Now run as a museum by Manx National Heritage.[2] | |||
| Cronk Howe Mooar | Motte and bailey | 11th–12th centuries | Ballafesson, Rushen (near Port Erin) | Earthworks | Possible site of timber fortification built by Magnus Barefoot c.1100.[3] | |||
| Derby Fort | Artillery fort | 16th–17th centuries | Near Derbyhaven, Malew | Intact | Henrician Castle originally built c. 1540, reconditioned during the English Civil War.[4] | |||
| Greeba Castle | Castellated house | c.1849 | On A1 road 2 km NW of Crosby, Marown | Intact | Home of novelist Hall Caine 1896–1931 | |||
| Peel Castle | Castle | 14th–15th centuries | Peel | Ruins | Manx National Heritage | Possible site of timber castle built by Magnus Barefoot c.1100; fortifications added until 19th century. Site of ruined cathedral of St German. |