Police are investigating after thieves struck last week.
Three covers were cut from boats which were secured in the Balthane Industrial Estate in Ballasalla.
The incident happened between 6pm on Wednesday and 8am on Thursday.
If you have any information, you're being asked to contact Police Headquarters.
Doctors' salaries under scrutiny from MHK
Rings stolen at Christmas market reported to police
Plans submitted for advertising board outside the airport
Ideas wanted for old telephone box
Vehicles damaged during 'Horrendous' Manannan crossing last night
Three TT riders shortlisted for Rider of the Year
Cinemanx wants more Government funding amid FOI debate
City of Douglas Bill to get first reading at Tynwald