DisgrifiadLewis Morris' early chart for Milford shows an anchorage at this location. The placename 'pool' shown on OS 1st edtion 25in mapping confirms an anchorage for vessels waiting to enter the Cresswell or Carew Rivers. The present day small craft moorings extend eastward past Lawrenny quay.
Sources include:
Morris, L, 1748, Plans of Harbours, Bars, Bays and Roads in St George's Channel, plate 24
OS 1st edition 25in mapping
Maritime Officer, RCAHMW, April 2014