On at least one of these jutting promontories near the small village of Kilbaha, someone long ago recognised that nature had done most of the defensive work already. A promontory fort uses the sea itself as a wall on three sides, with only a narrow landward neck requiring a constructed barrier, typically a bank and ditch or a stone rampart. The result is a fortified enclosure that is essentially impregnable from the water and easily held from the land, a design that appears all along the Irish Atlantic coast and is generally associated with the Iron Age, though some examples continued in use or were built well into the early medieval period.

Kilbaha sits at the very end of Loop Head, a stretch of coastline that feels genuinely remote even today. The Loop Head Peninsula has yielded evidence of human activity across many periods, and a coastal promontory fort in this location would fit a pattern seen throughout Clare and the wider Munster seaboard, where communities used elevated coastal positions for purposes that may have included defence, storage, or the control of fishing and maritime movement. Without more specific excavated or documented detail for this particular site, its precise date and the nature of its original use remain open questions, as is true of many such monuments along this stretch of coast.