Having scooped the single FITA compound title on a countback of gold centres from Perrett on Tuesday, and then added the team gold, the 25-year-old made it a hat-trick with a 100-97 win in the head-to-head tournament.
Perrett, a double gold medallist in the last Games, picked up his second Shetland silver to go with two bronze team awards.
Four medals Perrett’s wife Angela won bronze in the ladies’ compound, and her total of Shetland medals also stands at four.
She beat Sara Leith of Shetland 95-87 in the medal play-off.
In the compound team head-to-head Jersey won their bronze medal play-off against Guernsey 236-232.
Jersey’s team, the Perretts, Mary Audrain, Shayne Munday and Steve Jacobs, had beaten the Isle of Man 228-223 in the quarter-final, before losing to the Faroe Islands 240-219 in the semi-final.
Jersey’s archers thus finished the campaign with seven medals – one gold, three silvers and four bronzes.
Heath Perrett, who is also the team manager, said: ‘We’ve got to be happy with that.
There weren’t as many golds as last time, but more medals overall.
Seven is good.’ Jersey’s recurve team of Phil Rose, Karen Daw, Lis Pomroy, Martin Pomroy and Daniel Laffoley lost the bronze medal play-off 185-163 to Orkney.
Yesterday’s main matches, once again played out in atrocious conditions at Clickimim, were as follows: Ladies’ compound quarter-finals: Mary Audrain lost to Jane Moore of the IoM 107-92; Angela Perrett bt Caroline Pinchemain of Guernsey 97-84.
Semi-final: A Perrett lost to J Moore of the IoM 104-98.
Men’s recurve 1st round: Phil Rose lost to David Nash of Guernsey 129-126; Christopher Barker lost to Alexandros Stelatos of Rhodes 128-92; Daniel Laffoley beat David Inglis of Guernsey 111-86; Martin Pomroy lost to Graham Brough of Orkney 120-103.
Quarter-final: D Laffoley bt A Stelatos of Rhodes 120-116.
Semi-final: D Laffoley lost to A Hansen of the Faroes 97-76.
Men’s compound, 1st round: Shayne Munday beat Nigel Mathers 140-125; Steve Jacobs lost to John Wolstencroft of IoM 147-133; Heath Perrett bye.
Quarter-final: H Perrett beat Toni Robilliard of Guernsey 99-76.
Semi-final: H Perrett beat P Andersen of the Faroes 104-100.