Police are appealing for witnesses after mindless vandalism at Brother Thomas's public garden in Crackwell Street, Tenby.
Wooden benches on the upper viewing and shelter area were thrown over the wall and smashed.
The incident occurred at approximately 6.15 pm on Friday.
Any person with any information and willing to provide a statement is asked to contact PC270 Terry Pugh at the town's police station on 0845 330 2000.