Two cars were destroyed and another two damaged after a suspicious fires in Brighton-Le-Sands on Sunday.
Just after 3am police were called to Bruce Street, Brighton Le Sands, after reports of a fire.
Fire & Rescue NSW crews were already on the scene as they worked to extinguish the numerous car fires.
A Toyota Hilux and a Toyota Corolla were destroyed in the blaze.
A Holden Cruz and a boat which was on a boat trailer also sustained fire and heat damage.
The fires are being treated as suspicious.
Anyone who saw anything suspicious in the area is asked to contact Crime Stoppers on 1800 333 000.