A quay stood at Bachelor's Walk as far back as 1685, predating much of what we now think of as the Georgian riverside character of Dublin's north city. That such infrastructure existed at this location in the late seventeenth century places the area's working relationship with the river considerably earlier than its more celebrated architectural history might suggest.

The reference comes from the historian John De Courcy, whose 1996 study of the River Liffey records the existence of this quay at Bachelor's Walk at that date. The name Bachelor's Walk itself is one of those Dublin place names that has survived without yielding much certainty about its origins, but De Courcy's evidence indicates that the waterfront here was already in active use well before the wide, formally laid-out quayside streets that characterise the eighteenth-century city took shape. A quay in this context would have been a basic but essential piece of river infrastructure, a structured edge allowing goods, boats, and people to move between water and land, and its presence in 1685 points to the north bank's early commercial importance at a time when the city was still consolidating around the river.

Bachelor's Walk today runs along the Liffey between O'Connell Bridge and the Ha'penny Bridge, and is easily reached on foot from either crossing. There is nothing physically remaining that marks the 1685 quay as a distinct feature; the modern quayside has been substantially altered over the centuries, and what a visitor sees now is largely the product of later development. The interest here is historical rather than visual. Standing at the river's edge and looking across towards the south bank, it is worth knowing that this particular stretch of water was already being managed and used as working waterfront in the seventeenth century, a fact that adds a layer to what can otherwise feel like a purely Georgian and Victorian riverside.