Drystone construction, meaning walls built from carefully stacked unmortared stone, was common across early Irish settlement sites, and the absence of mortar is no indicator of crude workmanship; it could be extremely durable. What makes this small cluster of structures quietly arresting is less any single feature than the combination of setting and survival: a working terrace, modest in scale, with a distinct subcircular element that sits apart from its companions.

Amongst the three foundations, one takes a notably different form. Located roughly four and a half metres west of the main group, it consists of a subcircular arrangement of upright slabs, the stones barely protruding above the current ground surface, measuring approximately 3.9 metres by 2.3 metres. This kind of low-profile slab setting can be associated with a range of periods and purposes across the Irish archaeological record, from early medieval enclosures to far older habitation traces, though the available evidence at Rehill does not point definitively to a date. The site was documented as part of the broader archaeological survey of the Iveragh Peninsula compiled by A. O'Sullivan and J. Sheehan and published by Cork University Press in 1996, a landmark survey of South Kerry that brought many such overlooked sites into the formal record for the first time.