| Huntington Castle and Gardens | Co. Carlow, Clonegal | Visit website » |
| Ballyhannan Castle | Co. Clare, Quin | Visit website » |
| Dún Na Séad Castle | Co. Cork, Baltimore | Visit website » |
| Blarney Castle & Rock Close | Co. Cork, Blarney | Visit website » |
| Blackwater Castle | Co. Cork, Castletownroche | Visit website » |
| Castle Salem | Co. Cork, Rosscarbery | Visit website » |
| Glenveagh National Park and Castle | Co. Donegal, Letterkenny | Visit website » |
| Ardgillan Castle and Victorian Gardens | Co. Dublin, Balbriggan | Visit website » |
| Dalkey Castle & Heritage Centre | Co. Dublin, Dalkey | Visit website » |
| Drimnagh Castle | Co. Dublin, Dublin City | Visit website » |
| Dublin Castle | Co. Dublin, Dublin City | Visit website » |
| Castle Ellen House | Co. Galway, Athenry | Visit website » |
| Dunsandle Castle and Woods | Co. Galway, Athenry | Visit website » |
| Glinsk Castle | Co. Galway, Glinsk | Visit website » |
| Ross Castle | Co. Galway, Moycullen | Visit website » |
| Oranmore Castle | Co. Galway, Oranmore | Visit website » |
| Shankill Castle and Gardens | Co. Kilkenny, Paulstown | Visit website » |
| Ballaghmore Castle | Co. Laois, Borris In Ossory | Visit website » |
| Manorhamilton Castle and Heritage Centre | Co. Leitrim, Manorhamilton | Visit website » |
| Desmond Castle Adare | Co. Limerick, Adare | Visit website » |
| Knockabbey Castle & Gardens | Co. Louth, Louth | Visit website » |
| Dunsany Castle | Co. Meath, Dunshaughlin | Visit website » |
| Dardistown Castle | Co. Meath, Julianstown | Visit website » |
| Slane Castle | Co. Meath, Slane | Visit website » |
| Castle Leslie | Co. Monaghan, Glaslough | Visit website » |
| Birr Castle Demesne & Historic Science Centre | Co. Offaly, Birr | Visit website » |
| Charleville Castle | Co. Offaly, Tullamore | Visit website » |
| Killenure Castle | Co. Tipperary, Dundrum | Visit website » |
| Redwood Castle | Co. Tipperary, Lorrha | Visit website » |
| Killaghy Castle | Co. Tipperary, Mullinahone | Visit website » |
| Lismore Castle | Co. Waterford, Lismore | Visit website » |
| Athlone Castle | Co. Westmeath, Athlone | Visit website » |
| Ballinlough Castle Gardens | Co. Westmeath, Clonmellon | Visit website » |
| Enniscorthy Castle | Co. Wexford, Enniscorthy | Visit website » |
