Ramsey B got off to a flying start in their Cheshire Junior Plate tie against Southern Nomads.
Davide Mazzone crashed over for an early try and skipper Darren Ideson potted a drop goal to give them an early 8-0 lead.
However, Nomads replied with interest to run out 22-8 eventual winners.
Isle of Man wraps up Island Games with 80 medals
Golds galore and records broken in Orkney
LIVE: 2025 Island Games - DAY SEVEN
All the latest updates from Team Isle of Man in Orkney
Island Games: Eight more medals for gymnasts
22 medals in total for the Manx team
Island Games: Hannay wins third medal for IoM
He picks up the silver on final day of event
Island Games: Three medals for athletics track team
15 medals for the side in total