That uncertainty is itself quietly telling. The structure is of drystone construction, meaning its walls were built without mortar, each stone selected and placed to bear the weight of those above it, and yet enough of it survives to give a clear sense of the space once enclosed within.

The building sits just above the southern shore of the island, close to its eastern end. Internally it measures roughly 5.6 metres north to south and just over 5 metres east to west, making it a compact but not cramped rectangular room. The southern wall has been reduced to its foundations, but the other three walls still stand to an average height of around 1.15 metres, with a typical thickness of just under a metre. That thickness suggests a building meant to endure, even if wind and time have had the final say on the roof. Most intriguing are the two niches set into the north wall. Niches of this kind were commonly used for storage or for holding objects of practical or devotional significance, small lamps, vessels, or images, though what purpose these particular recesses served remains unknown.

The island takes its name from the ecclesiastical remains that have long made it a site of interest, and this house sits within that broader context, close to but distinct from the religious structures nearby. Whether it housed a monk, a caretaker, or a later inhabitant is not recorded. It is simply there, rectangular and stubborn, its walls still holding their ground above the Kerry shoreline.