The person was carrying subtle diving gear when he was discovered unresponsive on the banks of the Hunter River about 9.30am yesterday.
Employees on the port tried to offer him CPR however he died on the scene.
It's believed he had been making an attempt to retrieve medication in the course of the evening and police assume the package deal they discovered might be a part of what might be a $100 million haul.
Police stated they then discovered packages containing greater than 50kg of white powder, with an estimated avenue worth of $20 million close to the South American container ship.
The ship, which had travelled from Argentina, arrived in Newcastle on Sunday night, and later that evening a rubber ducky and a tinny had been seen travelling to it.
The vessel was carrying soybean powder and police are taking a look at whether or not the medication had been connected to the skin of it.
"There's evidently extra individuals concerned than the lifeless man," Superintendent Rob Critchlow stated right this moment.
"As most individuals would realise, individuals do not scuba dive alone.
"There's clearly security protocols even with individuals concerned in offending.
"It was fairly difficult, among the units they used and the presence of two boats point out not less than two different individuals.
"It is very regarding this man's been left for lifeless principally, both to die or when he did die, these individuals fled.
"So it is fairly disgusting … no matter what he was concerned in."
The lifeless man was carrying highly-technical diving gear together with respiration gear that does not emit any bubbles.
Critchlow requested anybody who bought dive gear within the space to contact police.
"The person was carrying scuba gear - together with a wetsuit, the Sharkskin model - which was probably bought inside Australia," he stated.
"We'd ask anybody from dive outlets who could have bought a set of diving gear to an individual in the previous few days to contact us.
"The gear was of be aware. It was a high-end rebreather, which is a specialised piece of diving gear utilized by individuals with excessive ranges of coaching."