Lisheenanoulty, from the Irish Lios an Ultaigh, translates roughly as the ringfort of the Ulsterman, a phrase that quietly implies a story nobody has fully written down. Someone from Ulster, far to the north, was associated strongly enough with this patch of north Kerry ground that the connection survived in place-name form for centuries. Whatever that story was, it has not been recovered.

The fort itself sits near Astee in County Kerry, close to another ringfort roughly 150 metres away, and commands a wide view northward over the Shannon estuary. A ringfort, or rath, is typically a circular or near-circular enclosure defined by one or more earthen banks and ditches, used throughout early medieval Ireland as a farmstead or high-status residence. This one is sub-circular, measuring around 22 metres north to south and 29 metres east to west. What remains of the enclosing bank is low and squat, standing only about half a metre on the interior face while reaching around 8 metres in width at its base externally. It is not a dramatic structure by any measure, but its proportions and the slight rise of the ground give the estuary view a quality that would have made the site worth choosing in the first place.

The proximity of a second ringfort nearby is worth noting. Paired or clustered ringforts are occasionally found across Ireland and may suggest family groupings, successive occupation, or the division of a single landholding across generations. Whether that explains the two sites here is unknown, but the Ulster connection embedded in the name suggests this particular enclosure carried a distinct identity of its own, separate from whatever its neighbour represented.