4 castles, from Norman keeps to the tower houses that Gaelic and Anglo-Irish families raised in their hundreds — and the ones that are now four walls and a jackdaw.
Castlecoote (otherwise known in Irish: Bhaile Mhic Oireachtaigh) is a townland within the civil parish of Fuerty on the R366 regional road near the town of Roscommon in County Roscommon, Ireland. Castlecoote is known for Castlecoote house and the ruins of a much older castle.
Donamon Castle, or more correctly, Dunamon Castle (Irish: Dún Iomáin), is one of the oldest inhabited buildings in Ireland and stands on raised ground overlooking the River Suck in County Roscommon.
McDermott's Castle is a castle and protected national monument located in County Roscommon, Ireland. The site of a fortification since at least the 13th century, the structure's tower house may date from the 16th century, with much of the current building (including its crenellations) dating to the 19th century.
The Rockingham Estate was a country estate near Boyle in the north of County Roscommon in the west of Ireland. The former Rockingham Demesne, which included Rockingham House, covered much of the area that now makes up Lough Key Forest Park.
Descriptions are Wikipedia's own opening lines, used under CC BY-SA 4.0 with a link to each article; the list and the coordinates come from the same place. Nothing here is a guide to access — many of these are private homes or stand in private fields.
What stood in Roscommon before anybody thought of building a keep.