Monaghan claimed the Gordon West Cup with a dominating 24 points to 18 victory over Donaghadee.
Jason McGuirk and Christopher Brady scored a try in either half with Lorcan McGillan adding 14 points with four penalties and a conversion.
Donaghadee had been unbeaten all season. Monaghan now focus on a playoff match in two weeks time.
A try from Jason McGuirk, setting the tempo for what was a cup winning victory.
The game was played in Kingspan Stadium Belfast.
Alan Gunn and Frank Brady brought us updates of the big match on Northern Sound FM.