Adare Castle - The time-worn remains of this Anglo-Norman fortress on the banks of the River Maigue may be counted among the most impressive castles in Ireland.
Athlumny Castle - Tower houses often provided the nucleus for the unfortified country seats that began to emerge in Ireland from the seventeenth century.
Aughnanure Castle - The "ferocious O'Flaherties", masters of the whole territory of west Connaught, built this fine castle in the early sixteenth century.
Ballylee Castle - The poet W. B. Yeats was so enchanted with this sixteenth-century tower house beside the Cloon River that he purchased the property in 1916 and restored it.
Ballymoon Castle - Like so many Irish castles, Ballymoon has no recorded history, but on architectural grounds it must have been built c.1290-1310.
Ballymote Castle - Ballymote, begun in 1300, was the last and the mightiest of the Norman castles in Connaught.
Ballynahow Castle - There is something rather attractive about round tower houses, but sadly only a relatively small number were built, mostly in Munster.
Blarney Castle, where you can kiss the blarney stone.
Bunratty Castle, Cahir Castle,
Carrigaholt Castle - Set on the verge of a cliff overlooking the Shannon Estuary.
Carlow Castle - This great keep was formerly one of the most impressive Norman castles in Ireland.
Carrickfergus Castle - The mighty stronghold of Carrickfergus, once the centre of Anglo-Norman power in Ulster.
Charles Fort, Cloughouthter Castle - Tucked away in a remote corner of the Erne River system, on a tiny island in Lough Oughter, stands the ruined circular tower of Cloughoughter.
Conna Castle - Resembling some sort of medieval skyscraper, this captivating tower house rises about 85 feet from a great limestone bluff.
Carrigafoyle Castle - Carrigafoyle has had a stormy history and, although wrecked by a series of bloody sieges.
Carrick-on-Suir Castle - This castle of the Butlers - Earls and later Dukes of Ormonde.
Donore Castle, Dublin Castle - Fragments are all that remain of the great medieval fortress that once served as a symbol of Royal authority in Ireland and the centre of administration.
Dundrum Castle - One of Ulster's most evocative medieval ruins, Dundrum Castle was founded by the legendary Norman adventurer John de Courcy.
Dunluce Castle - Like something out of a Tolkien fantasy, the ruins of Dunluce Castle have a desolate, awe-inspiring grandeur.
Dunsoghly Castle - Considering the enormous number of castles in Ireland, it is perhaps surprising that only Dunsoghly has retained its original medieval trussed roof.
Gleninagh Castle - Looking down from a hillside across the wide expanse of Galway Bay.
Glinsk Castle - Glinsk was gutted by fire at an early stage and survives as an exceptionally well-preserved ruin.
Greencastle Castle - The fortress is impressive, though its dramatic setting at the mouth of Carlingford Lough adds much to its appeal.
Harry Avery's Castle, Kilkenny Castle - Superbly set above a crossing of the River Nore.
Lemanagh Castle - The magnificent ruins of the great O'Brien stronghold of Lemaneagh stand on the southern fringe of that limestone wilderness known as the Burren.
Mallow Castle - The old Desmond fortress on the Blackwater River at Mallow was granted in 1584 to Sir Thomas Norreys.
Monea Castle - Few castle ruins so readily engage the imagination as the picturesquely sited Monea.
Newtown Castle - Like a rocket on its launch-pad, this unusual sixteenth century tower house takes the form of a cylinder impaled upon a pyramid.
Old Crom Castle - Romantic ensemble of ruins and sham ruins set in exquisite parkland on the shores of Lough Erne.
Parkes Castle, Rathmacknee Castle - Many Irish castls have lost their parapets during the course of time, but those at Rathmacknee are fully intact.
Ross Castle - There are few castles anywhere in Ireland that can boast such a dream-like enchanted setting.
Slade Castle - The picturesque little harbour of Slade is dominated by the brown rubble walls and striking merlons of this castle.
Swords Castle - Swords Castle was built as the manorial residence of the Archbishops of Dublin around 1200 or a little later.
Trim Castle - Trim Castle is the largest and one of the most important Norman military constructions in Ireland.
Tully Castle - Ireland is full of roofless ruins, but few have had such a tragically brief history as the beautifully sited Plantation castle of Tully.