But Bullán na Ceathrair Álainn, on Inis Mór in County Galway, is one of those quietly persistent places where people have been leaving offerings for a very long time, and apparently continue to do so. A bullaun is a natural or artificially deepened basin in stone, found at early Christian sites across Ireland, often associated with saints, healing, or the efficacy of cursing; this one measures roughly 0.85 metres by 0.45 metres and opens towards the north, its edges defined by a modest drystone enclosure that sets it apart from the surrounding rock.

The bullaun sits some seven metres southeast of Teampall na Ceathrair Álainn, a church whose name translates as the Church of the Four Beautiful Saints, and the bullaun takes its name from the same dedication. The site was noted by the antiquarian T. J. Westropp as early as 1895, and again by O'Flanagan in 1927, placing it within a long tradition of scholarly interest in the sacred landscape of the Aran Islands. The modern offerings visible at the basin suggest that whatever ritual or devotional significance the spot once held has not entirely faded; people still come, still leave things behind, still mark the place as meaningful in some way that resists easy categorisation as either purely religious or purely folkloric.