Four cars had their tyres slashed at the bottom of Mont Millais last Friday night.
Three other vehicle had their tyres let down on Landfield Drive.
Police say they were call parked at different locations along the private road.
Anyone with any information is asked to contact police on 612612 or the independent charity Crimestoppers anonymously on 0800 555 111 or via their Anonymous Online Form at Crimestoppers-uk.org
'Momentous' week in Jersey's States
Dignity in Dying campaigners from Jersey and the UK are demonstrating outside the States building, and watching proceedings in person, as the Assembly takes an historic vote on assisted dying.
Plans to charge wealthiest patients for medical travel
Travel from Jersey to the UK for medical treatment could become means-tested.
Railway Walk reopens 'several weeks' ahead of schedule
The Railway Walk path has already reopened after a landslide, despite the government predicting it would be closed for 'several weeks'.
New bar opening at former Rojo and X site to evolve Jersey's nightlife
A new social space and sports bar is opening on Beresford Street, taking a step away from traditional late-night clubbing in the aim of changing with the times.
Former Chief Minister seeks re-election
Former Jersey Chief Minister John Le Fondré will run for election this summer.
Château Vermont to become home to new music campus
Jersey's School of Popular Music is packing up and relocating to Château Vermont this summer, in what will be a 'dream move'.
St Saviour break and entry suspect pictured posing on motorbike
A male suspect has been pictured flexing his arms in a photo, after being linked to a break and entry, where a motorbike and helmet were stolen.
'Overstretched' neurology department following under-experienced managers
Jersey's neurological department is overstretched, with 'dedicated' staff following inexperienced managers, a review has found.
