The victim is described as a large-bodied male, white skinned and dressed only in underwear when found. He had no head and only one leg. Other parts of his body were intact.
Police believe he had been dead for more than a week, based on the state of the body, according to Pol Capt Winai Sanitphan, deputy inspector-suppression at Pattaya police station.
He said they will try to identify the dead man by checking with missing persons data. The body would be sent for forensic examination at the Police Hospital in Bangkok.