Overall leader Chris Johnston, skipper of the Beneteau 31.7, Prospect, took the gun in Saturday's light air race in Dublin Bay Sailing Club's AIB Summer Series.
The scratch win was in a six-boat fleet with National Yacht Club clubmate John Power in Levante second. Eoin O’Driscoll's Kernach was third.
Royal Irish's Colin Byrne in the XP33 Bon Exemple continued his winning run in the IRC One division, with a tie for second place between the Fintan Cairns's Mills 30 Raptor and John Hall's J109 Something Else. Tim Goodbody's J109 White Mischief placed fourth in a nine-boat turnout.
Full DBSC results in all classes are below