Positioned in the very heart of North Kerry, on the River Feale, its hinterland is an area of mainly dairy agricultural use.
The barony of Iraghticonnor is to the north, with the barony of Clanmaurice to the south.
There were six stories, with two floors resting on stone arches, now much damaged.
It had forty small windows on the three remaining sides, all formed of cut limestone.
According to local folklore, Lord Listowel prevailed upon the clergy to ring the Angelus bell at 7.00 p.m.
As you walk around the Square you will see a number of buildings of historical and architectural significance.
There was an active Temperance Society in Listowel at the end of the nineteenth century, this committee were anxious to have a meeting place and after some protracted negotiations with Lord Listowel's agent they were facilitated with a site where the present hall now stands.
The builder was Mr Michael Costello of Church Street. Nestled in the South West corner of The Square, is a building with many historical connections.
The Seanchaí Literary Centre, which is adjacently located in a Georgian town house, is intended to help visitors learn more about the castle’s history.
Another smaller castle at Woodford, Listowel, was built in the post-1600 period by the Knight of Kerry.