Police are investigating an attempted break-in at the Old Station Café on Victoria Avenue.
It happened some time between 9:30pm on Sunday (13 March) and 9:30am the following morning.
A rock was thrown through one of the café's windows causing 'substantial' damage.
The would-be burglar attempted to open the window, but it was locked and they did not get into the premises.
Officers are looking to speak to anyone who saw what happened.
"Anyone who may have seen this or who has 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." - States of Jersey Police
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