It measures just nine metres east to west and five and a half metres north to south, with walls surviving to around a metre in height and just over a metre in thickness. Enclosures of this kind, known in Irish archaeology as ring forts or cashels depending on their construction material, were a fundamental unit of rural life in early medieval Ireland, serving as farmsteads, stock enclosures, or defended homesteads. This one is modest even by those standards, its proportions suggesting a fairly intimate or purely functional use rather than any grand domestic ambition.

The site was documented as part of the Corca Dhuibhne archaeological survey of the Dingle Peninsula, published in 1986 under the editorship of J. Cuppage and produced in association with Oidhreacht Chorca Dhuibhne, the local heritage organisation based in Ballyferriter. That survey was a systematic effort to record the remarkable density of prehistoric and early historic monuments across the peninsula, a landscape that contains one of the highest concentrations of ancient field monuments anywhere in Ireland. The enclosure at Baile an Lochaigh is one entry among many, but the careful recording of its dimensions, depth of earthwork, and surviving wall height gives a precise, if quiet, picture of what remains above ground.