It is not a ruin, not a grave marker in any conventional sense, and not part of a larger complex. It simply stands there, oriented north to south, measuring roughly a metre wide and less than half a metre thick, planted in the ground at some point in prehistory for reasons that nobody now living can say with certainty.

Standing stones of this kind are scattered across the Irish landscape in considerable numbers, and West Cork has more than its share of them. They are generally understood to date from the Bronze Age, though some may be earlier or later, and their original purposes remain genuinely unclear. Theories range from boundary markers and assembly points to ritual or astronomical functions, with the north-south alignment of the Munnane stone occasionally prompting speculation about deliberate orientation, though such alignments can also be coincidental. What is clear is that whoever raised it went to considerable effort. A stone 2.4 metres tall, a metre across, and nearly half a metre deep represents serious weight and serious intention, moved and erected without the benefit of machinery on a sloping field above the West Cork countryside.