Today, visitors won't find much of the original castle structure; instead, they'll discover something rather unusual: a Victorian rockery fashioned from the scattered stones of the fallen fortress. The occupants of nearby Modreeny House, built to the west of the castle ruins, repurposed the confused jumble of medieval masonry into a decorative garden feature during the nineteenth century.

Historical records paint a picture of what once stood here. The Civil Survey of 1654–6 describes 'an old castle and bawne the walls onely standing', along with a decaying orchard, garden plot, and three thatched houses surrounded by deteriorating enclosures and hedgerows. John Carroll held the property in 1640, though by the time of the survey just fourteen years later, the castle was already showing significant signs of decay. The survey's mention of a bawn, a defensive wall that would have enclosed the castle courtyard, adds another layer to the site's history, though no trace of this fortification remains visible today.

While the castle itself has vanished into garden ornament, its transformation tells its own story about the changing fortunes of Irish castles. From medieval stronghold to abandoned ruin to Victorian garden feature, Modreeny's stones have witnessed centuries of Irish history. Though no architectural features survive to help visitors imagine the castle's original appearance, the site remains a testament to how historical structures can be reimagined and repurposed, even when their original form is lost to time.