Emerging Nomads beat Castletown 31-24 in the Shimmin Wilson Manx Bowl at Poulsom Park.
It was a disappointing finale to the season for Castletown, who picked up tries from Mark Venables, Barry Irvine and a penalty try.
Sam Peel kicked three conversions and a penalty for Town.
Volunteers wanted to help run 2025 Manx Rally
Event Director says 'next generation' needed in the long term
Athletics: David Mullarkey breaks men's 10,000m Manx Record
It comes just a week after women's record was smashed by Sarah Astin
Football: Corinthians secure 24/25 women's league title
It means a league and cup double for the club this season
Rugby: Mixed end of the season for Manx sides
Douglas record highest ever league finish
