The rundown vessel is just one of a number of mysterious boats which have made their way across the Sea of Japan and ran a ground on the coast in recent years.
An investigation has now been launched into the most recent eerie discovery after yet another boat was found to be carrying severely decayed bodies.
A tattered North Korean flag adorns the ship, with the "Korean People's Army" written across the hull.
The battered ships travelled hundreds of miles before washing up on the Japanese shoreAn investigator takes pictures of dead bodies found onboard the mysterious ships
As the boats continue to travel hundreds of miles across the ocean and wash up on Japan's west coast, theorists have been attempting to piece together the pieces of the eerie puzzle.
According to the Japan Times, it is claimed the ships were crewed by men and women desperately attempting to escape Kim Jong-un's oppressive regime in North Korea.
Fishermen who were unable to handle the growing pressure of a demand in stock may have succumbed and fled in the boats, the paper reports.
The latest ship had a slogan reading "Korean People's Army" - the military force that operates under leader Kim Jong-UnSome theorists claim the ships were crewed by civilians wanting to escape North Korea's oppressive regime
In search of freedom, theorists claim the defectors then meet their tragic fate at sea as the ships enter stormy waters.
Others claim the bodies of those on board the most recent ship were poor fisherman.
All the bodies were found to be wearing civilian clothes, with many of the corpses too decomposed to be identified.
All bodies found onboard the most recent ship were wearing ordinary civilian clothes
Investigators are now working to identify the cause of the mysterious 'ghost' ships.
Experts were seen onboard taking images of those who lost their lives at sea.
Some smaller wooden boats have also washed ashore, with many being pulled from the water in pieces after a devastating battering by the ocean waves