Police in Peel report around six vehicles, parked from Christian Street down to the promenade, were damaged last night.
Posting on the Western Neighbourhood Policing Team's Facebook page, Sergeant Gavin Callow says two people have been arrested.
He says it is sad this sort of thing still happens, but he's pleased by the assistance given to officers by members of the public, which really helped them out.
First in series of 'Isle be Ready' sessions to take place next month
Representatives will share practical advice
New support centre 'an oasis' for cancer patients
New facility opens its doors on site of Noble's Hospital
Orrisdale Road to close for a month for resurfacing works
Letters delivered to those affected, says DOI
ManxSPCA petition on electric shock collars passes 1,000 signatures
Charity calls for renewed consultation and ban on devices used to train dogs and cats