Peter and Juliette Kennedy from Strangford Lough Yacht Club were crowned Irish Flying Fifteen National Champions after six races sailed at the National Yacht Club on Sunday.
The father and daughter pairing led the three-day Dun Laoghaire championships from start to finish in a contest that featured light, medium and heavy wind conditions.
In a one-two for Northern Ireland Flying Fifteen interests, another Strangford crew took second place overall in the 31-boat fleet. Killyleagh Yacht Club's Andrew McCleery and Colin Dougan finished on 22 points, five points behind the Kennedys.
In a significant podium result for the emerging West Coast fleet, the recent winners of the Southern Championships, Niall O'Brien and Ronan O'Brien from Connemara, were third on 25 points sailing their new boat Checkmate.
The top Dublin Bay boat was the host club's Ian Mathews and Keith Poole in fourth place on 26 points.
Read Cormac Bradley's full championship report here