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.
New Year's fell race to take place in St John's
Runners to tackle Slieau Whallian
Rugby: Hopes for more Manx sides in local competitions in future
Some ongoing challenges facing game heading into 2026
Football: More 'joined-up' approach sought between FA and Manx clubs
FA President admits several challenges ongoing in local game
Tennis: Billy Harris called up to GB United Cup squad
Former Island player heading to Australia this week