Police have confirmed the Volkswagen found at Curio Bay is owned by missing man John Beckenridge.

Beckenridge and his son Mike Zhao-Beckenridge haven't been seen for more than two weeks.

Inspector Kelvin Lloyd says today they received confirmation the engine block number the divers retrieved matches the numbers they have on file for Mr Beckenridge's car.

He says police are working through the process of how they they extract the vehicle from the water.

Inspector Lloyd says since they haven't gained any further knowledge on what is in the vehicle, they're still treating it as if it's a missing persons investigation.