A Cromer man has been arrested over an alleged $5.8m drug importation.

Earlier this month, Australian Border Force (ABF) officers identified inconsistencies in a package which had arrived in Sydney from Greece in an air cargo consignment.

They found 13kg of an unknown substance concealed within the steering console of a boat. The contents were tested and returned a presumptive positive result for cocaine, with an estimated potential street value of $5.8m.

Joint inquiries were subsequently commenced by the Organised Crime Squad under Strike Force Mactier, together with the Australian Federal Police (AFP) and NSW Crime Commission (NSWCC).

As part of ongoing investigations, strike force detectives arrested a 34-year-old man during a vehicle stop at Bay Road, Waverton, about 1.00pm Tuesday, 16 February.

The vehicle was searched, and detectives seized $7690 cash, mobile phones and sim cards. A search warrant was then executed at a home at Cromer Road, Cromer, where investigators seized a mobile phone, sim card, steroid tablets and documentation. All items seized will be subject to further examination.

The man was taken to Chatswood Police Station where he was charged with possess commercial quantity suspect illegal import border-controlled drug, deal with property proceeds of crime and possess anabolic or androgenic steroidal agent. He was refused bail to appear before Manly Local Court today (Wednesday, 17 February).

Investigations under Strike Force Mactier are ongoing.

Anyone with information that may assist detectives is urged to contact Crime Stoppers on 1800 333 000.

Images: NSW Police