The home side trailed 6-7 at the break. Clontarf 's only score in the first half was a converted try from John Duffy in the 10th minute.

Barry Keeshan kept the home side in touch with two penalties.

Nethery made it 10-6 to the visitors before super-sub Bernard Jackson sealed the win with a pushover try.

Keeshan replied with a late penalty that he thought had earned his side a bonus point, but deep into stoppage time Matt Nethery broke the home side's hearts with a late penalty to leave it 9-18 at the end.

DOLPHIN G Conway; E Mills, P Owens, E Moloney, D Kingston; B Keeshan, G O'Keeffe; F Gately, K Murray, J O'Sullivan; R McGrath, D Harty; G Finn, D Murphy, J Coughlan Subs J O'Mahony for Molony, 44 mins; H O'Flynn for Coughlan, 35 mins

CLONTARF D O'Shea; N O'Brien, M Nethery, C Keegan, P Howard; N McNamara, F O'Loughlin; K Dorian, N Carson, A Clarke; A Trenier, J Duffy; S Crawford, D Quinn, P Pardue Subs J Wickham for Dorian, B Jackman for Carson, both 52 mins Referee C Stanley (Ulster)