Police are investigating after a jet ski was taken from a Healesville address this week.

It is believed unknown offenders attended a property on Mt Riddle Road sometime between 9.30pm on Wednesday (July 17) and 12 Noon Thursday (July 18).

While there, they stole the Green Kawasaki Ultra 300x jet ski from the front yard, as well as the trailer it had been sitting on.

Police have released an image of a jet ski similar to the one stolen, as well as an image of the jet ski on the trailer.

The trailer has registration Y28660.

Police are appealing for anyone with information, who noticed anything suspicious or who may have seen the jet ski and trailer to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au