At Shanacloon in County Kerry, a site known as Lismareada, or Lios Mhairéada in Irish, survives only as a mark on two generations of Ordnance Survey maps. The circular earthwork they record, a rath or ringfort of the kind that served as a defended farmstead for an early medieval family, was levelled during land improvement operations in the 1960s. What was once a raised, banked enclosure commanding clear views in all directions is now, in all likelihood, indistinguishable from the surrounding farmland.

Ringforts are among the most common archaeological monuments in Ireland, with tens of thousands recorded across the island, yet their familiarity makes their loss no less significant. Lismareada sat on the eastern bank of the Weaver's Stream, a position that would have been practical for any early farming settlement, offering both a water source and, given its reportedly open sightlines, a degree of awareness of approaching visitors or threats. The name itself, Lios Mhairéada, suggests a personal association, lios being the Irish word for the earthen enclosure of a ringfort, though the individual commemorated in the name is now unknown. The site's destruction in the 1960s places it among a wave of losses that occurred across rural Ireland during a period of agricultural modernisation, when earthworks that had stood for over a thousand years were removed to make fields more workable.