The boat, pictured to the right, was on a twin axle galvanized snipe trailer and painted in a distinctive red colour.The PSNI suspect the vessel may be in the Republic or in England.
The family who owned the boat have said that it has great sentimental value, as it belonged to their late father who recently passed away.
A reward has been offered for any information leading to its recovery. The boat's engine serial number is B011816, and anyone with information should contact Constable Henderson of the Antrim PSNI.
Alternatively, those who do not wish to speak to police can contact Martin on +44 7928 155270