Jersey’s men were successful in four events while the ladies won one.
Teenager Jamie MacDonald won the under-25s’ singles, triples and four titles on Saturday before losing heavily in the men’s singles final on Sunday.
Lindsey Greechan took the under-25s’ ladies’ success for Jersey while there were narrow defeats for in the fours and pairs sections.
Respective champions will represent the CI in the British Isles championships in the near future.