The enclosed space measures roughly 34 metres east to west and just over 23 metres north to south, and the ground within sits perceptibly higher than the land outside, most noticeably on the western side where a curving rise, possibly the remnant of a levelled bank, can still be traced underfoot. It is the kind of site that rewards patience and a willingness to read the landscape slowly.

Circular enclosures of this type are among the most common early medieval monument forms in Ireland, typically serving as the enclosed farmsteads of a single family or small community, though some were associated with ecclesiastical use. The Seefin example was recorded on the Ordnance Survey six-inch maps of both 1838 and 1915, marked clearly as a circular enclosure with a diameter of between 30 and 35 metres, and with a farmstead sitting immediately to its north-west. Over the generations that followed the later survey, the original curving boundary was absorbed into the rectangular logic of modern field divisions. Straight walls replaced or overrode the northern arc, mature conifers were planted just inside the perimeter, and the ancient form was gradually domesticated into an orchard. The three farm sheds that now line the northern edge complete the transformation.

What remains is a layered palimpsest of land use, where centuries of agricultural pragmatism have simultaneously obscured and, in a quiet way, preserved the original shape. The slight elevation of the interior, and that barely-there curve on the western side, are what prevent the enclosure from disappearing entirely into the orchard around it.