Jersey won three of the six titles at the British Isles Women's Bowls Championships at Les Creux.
Helen Greechan and Sue Dingle took the pairs title, beating Scotland 23-19.
Jersey's triples team of Alison Camacho, Fay Le Mottee and Olive Crowhurst beat reigning beat champions England 17-11.
Crowhurst won a second title, teaming up with Margaret Breen, Carol Derrien and Jill Ingram to take the senior ladies title, beating Wales 22-9.
It was a first national title for Greechan, who is now in her 70s.
"It's wonderful," she told BBC Radio Jersey.
"It's a great feeling to win the British Isles. It's the first time I've won, usually I've come second."
And her partner Dingle - who had previously won the title with Gaynor Thomas, who she partnered to fourth place in the Commonwealth Games in 2006 - praised Greechan's play under pressure.
"They came back into it like the champions that they are and they fought until the end," said Dingle.
"The last end we were five down and Helen, under big pressure, drew the shot, what more could you ask for."