Irish Castle Explorer

Discovering and documenting Ireland’s castles, monuments and sacred places.

Featured irish castles & ancient Sites

FourKnocks Passage Tomb, Co. Meath
Athassal Abbey, Co. Tipperary
Castlelacht Stone Row, Co. Cork

The Irish Castle Atlas

Explore more than 5,000 castles and fortified sites recorded across Ireland, based on the Archaeological Survey of Ireland.
Use the layers below to browse castles by region and county.

Family Castles of Ireland

Explore by county and family name

Discover castles and ruins associated with Ireland’s historic families, dynasties, and surnames. Browse by county or begin with some of the best-known castle families of Ireland.

  • County card labels
  • Castles of County Cork
  • Castles of County Kerry
  • Castles of County Clare
  • Castles of County Galway
  • Castles of County Donegal
  • Castles of County Tipperary
  • Castles of County Kilkenny
  • Castles of County Mayo
  • Family card labels
  • O’Brien Castles
  • MacCarthy Castles
  • O’Donnell Castles
  • O’Flaherty Castles
  • O’Mahony Castles
  • O’Driscoll Castles
  • O’Donovan Castles
  • O’Reilly Castles