This rectangular tower, measuring approximately 5.5 metres north to south and 6.2 metres east to west internally, features a projection at its northeast corner that has now almost entirely collapsed. The structure shows extensive signs of alteration and repair throughout its long history, with its southern wall appearing to have been completely rebuilt at some point.

The castle’s ground floor entrance sits in the western wall, featuring an outer door surround of dressed limestone with a pointed arch and a rebate along its outside edge. The door passage is covered by a segmental vault that’s pierced by a portcullis slot, whilst a straight mural stair rises from the doorway’s southern side. Inside, the northern wall has been quarried and shows significant blackening from soot. The first floor, which would have been covered by a wicker-centred vault running north to south, has largely disappeared, though traces of vault springings remain visible on the eastern and western walls. Part of a widely splayed window opening can still be seen in the centre of the northern wall at first floor level.

Built by a branch of the Imokilly Fitzgeralds, this castle has witnessed considerable turmoil over the centuries. According to Lewis’s 1837 account, the castle was destroyed in 1642, then restored and occupied until 1798, when it suffered damage from ship gunfire during the rebellion. The structure was finally reduced to its present ruined state in 1885, leaving these evocative remains as a testament to centuries of Irish history and conflict.