Though no visible traces remain above ground today, historical records and local knowledge point to a castle that once stood approximately 150 metres southeast of the current Castle Wrixon house. When antiquarian Grove White visited the site in 1907, the landowner shared intriguing details about discoveries made in a nearby field, including paving stones and dressed masonry; telltale signs of a substantial medieval structure that had long since vanished from view.

The site appears on several historic maps, offering tantalising glimpses of its former importance. Jobson’s map from around 1589 depicts a castle named ‘Dode’ in this area, whilst the Down Survey maps of 1655-6 show a castle in the townland of ‘Balleline’, marked as part of the possessions of one William Fitz Gerrott of Castledod. This documentary evidence strongly suggests this was the location of Castle Dod, though some historical confusion exists; researcher Healy identified it as the site of Ballyhea castle in 1988, though that structure more likely stood where Castle Harrison is now located.

Today, visitors to the area will find little to mark this once significant fortification, save for the knowledge that beneath the pastoral landscape lies centuries of Irish history. The site serves as a reminder of how many medieval structures have been lost to time, their stones repurposed for other buildings or simply absorbed back into the earth, leaving only documentary evidence and occasional archaeological finds to tell their stories.