It is man-made, or at least man-shaped, built up as a log platform and belonging to a tradition of artificial lake islands that people across Ireland constructed and inhabited for well over a thousand years. A crannog, to use the Irish term, was typically a timber and brushwood structure anchored in shallow water, offering a defensible home with natural moats on all sides. This one is modest in scale, but what has come out of it tells a more layered story than its quiet surface suggests.

A researcher named Davies recorded the finds recovered from the site, and they amount to a small but telling domestic inventory. There were animal bones and shells, hones for sharpening blades, two pieces of quern stone used for grinding grain, a block of iron, a jug handle, and around twenty sherds of unglazed pottery from which seven distinct pots were identified. This assemblage pointed investigators towards the sixteenth century as the period of principal occupation, a time when crannogs in Ulster and its borderlands saw renewed use, often by Gaelic families seeking security during a period of considerable political pressure. The site did not stop there, however. Davies also noted the remains of a nineteenth-century stone cottage on the island, along with glazed pottery sherds and fragments of an iron cauldron from that later period, suggesting that someone, centuries after the medieval inhabitants had gone, found the same small patch of lake-surrounded ground worth living on again.