It survives as a loose arrangement of set boulders, none standing higher than about 45 centimetres, tracing a rough rectangular outline some 7.4 metres long and between 1.3 and 1.6 metres wide. It is aligned roughly west-northwest to east-southeast, which may or may not be significant. Nobody can say with confidence what it once was.

The structure at Ardkyle was catalogued in the Archaeological Inventory of County Galway, Vol. I, compiled by Paul Gosling and published in 1993, a systematic survey that attempted to record everything of potential archaeological interest across west Galway, from megalithic tombs to ambiguous field clearances. This site fell into the latter category. The remains are, in the inventory's careful phrasing, insufficient to permit classification, which is itself a kind of finding. The boulders are set rather than simply scattered, suggesting deliberate placement rather than field clearance, but the walls are too degraded and too slender to point firmly toward any known building type, whether a small dwelling, an animal pen, or something older and less easily categorised. That uncertainty is the most honest thing that can be said about it.

What makes the location quietly compelling is its setting rather than its legibility. A steep slope facing north, overlooking a harbour mouth, is an unusual choice for almost any practical structure, which sharpens the question of why someone placed stones here at all and what they were doing when they did.