A boat worth $50,000 was stolen from the driveway of a house in Excelsior Avenue, Castle Hill on February 7.
From the resident’s security camera police saw two males arriving at 10am in a white Mitsubishi Triton utility with a table top.
The men were seen parked in front of the boat and driving off after cutting the lock that secured the boat and trailer.
The boat (registration number AFS 715N) and the Karvan dual axle trailer (registration number Y52396) have not been found.
Police believe the same vehicle was involved in the stealing of another boat valued at $45,000 from a Glenbrook address on the weekend.
The driver was described as being of medium build, with dark hair and wearing a dark grey hooded jumper with orange/pink writing on the front.
Witness are asked to call Crime Stoppers with information on 1800 333 000.
In other police news:
Three drivers caught speeding
Two cars were caught driving over 100km per hour on Green Road in Castle Hill last week.
On February 3 a Castle Hill driver, 18, was stopped doing 112km/h at 12.05pm.
And on February 5 a Kellyville rider, 22, was stopped doing 56km/h more than the legal limit.
Both men were fined $2197, lost six demerit points and their licenses suspended for six months.
On February 7 another driver was stopped on Windsor Road, Box Hill, this time doing 133km per hour in an 80km per hour zone.
The P1 Londonderry driver, 18, had his license suspended on the spot and his car was stripped of its number plates for three months.
Police medals stolen
A safe containing jewellery and police medals was stolen from a house in Kentwell Street, Baulkham Hills, on Tuesday.
Residents told police that between 8am and 3pm the house was broken into through a smashed ground floor window, after the fly screen was removed.
Police said the burglar went through the bedrooms, cupboards and took the 60cm x 50cm x 50cm grey metal safe.
Witnesses are urged to call Castle Hill Police on 9680 5399.