Royal Cayman Islands Police said sometime around midnight Saturday, the man, who was attending the Full Moon Party at Calico Jack’s, had entered the male rest rooms on Public Beach.
Officers said the man was confronted by four males – one of whom threatened him a knife and demanded that he had over his wallet, watch and cell phone. Police said one of the suspects struck the victim on the back of the head with what is believed to have been a bottle.
The four suspects then left the rest room, police said.
A short time later the victim reported the incident to police officers who were patrolling in the beach area.
An ambulance was dispatched to the scene and the man was taken to the Cayman Islands Hospital, George Town, with a slight head injury. He was released following treatment.
Police said the victim is unable to provide descriptions of his assailants at this time.
Anyone who was in the area at the relevant time and has any information about the incident is asked to contact West Bay police station on 949-3999 or the confidential Crime Stoppers number 800-8477 (TIPS).