Water-powered mills were once common features of the Irish countryside, built wherever a reliable current could be captured and directed onto a wheel. What makes the mill at Ballinadee quietly worth noticing is the combination of its scale and its afterlife: a substantial industrial structure, L-shaped in plan thanks to a later addition on its eastern side, now going about its days as farm buildings.

The mill sits within the grounds of Annsville House, built along a slope where a stream runs down to join Ballinadee Creek. Its main block is rectangular and oriented north to south, rising to four storeys, which speaks to serious milling ambition rather than a modest local operation. Along its western wall runs a wheel pit four metres wide, the channel designed to house the waterwheel that once converted the stream's flow into mechanical energy for grinding. The L-shaped footprint, created by the eastern addition, suggests the building was adapted or expanded at some point to meet increased demand, though the precise dates of construction and alteration are not recorded. The wheel itself is long gone, but the pit remains, a clear physical record of how the structure once functioned.

The building is on private land within the Annsville House demesne, so access would depend on the goodwill of whoever currently manages the property. For anyone passing through Ballinadee, the mill is a reminder that the small streams threading through west Cork were once working infrastructure, as essential to rural economies as roads, and that the buildings raised around them could be surprisingly imposing.