What makes Clochán Ais unusual is not any single building but the complexity of the group as a whole: several distinct chambers of varying shapes, two corbelled huts, a rectangular enclosure, and a series of smaller annexes, all arranged across a south-east-sloping field in a way that suggests long and layered use rather than any single moment of construction.

The structures are built entirely in drystone, meaning no mortar of any kind, relying instead on the careful stacking and interlocking of stone. The northernmost hut is corbelled, a technique in which courses of stone are progressively overlapped inward until they meet at the top, forming a self-supporting roof without timber or slate. Its interior diameter is 3.6 metres, its walls standing 1.4 metres high and over a metre thick. At some point, the interior was subdivided, most likely to serve as a sheep-shelter, a practical reuse that is common across the old clochán sites of the peninsula. A small oval annex opens off its north-west side. Abutting this hut to the south-east is the first of three small chambers, circular, sub-rectangular, and sub-circular respectively, the largest measuring 1.8 metres across internally. Further south sits a low rectangular structure, only 0.6 metres high, and beyond that a second corbelled hut, slightly smaller at just over two metres in diameter but taller at 1.75 metres, with a lintelled entrance at the south-east leading into a small forecourt. The site was documented by J. Cuppage in the 1986 Corca Dhuibhne archaeological survey of the Dingle Peninsula, a detailed regional survey that recorded hundreds of monuments across this unusually dense archaeological landscape.

The site lies to the west of the Glanfahan river in Gleann Fán, and the surrounding terrain is rough mountain pasture, the kind that requires sensible footwear and some tolerance for uneven ground. The structures are low and easy to miss at a distance, blending into the stone-scattered hillside, so approaching slowly and looking for the clustered arrangement of forms rather than any single prominent monument is likely the most useful approach.