It is learnt that the family was staying at the hotel's 14th floor, and the boy's body was found on a fifth-floor veranda.
The State Fire and Rescue Department assistant director of operations said they were informed of the incident at around 6.44am and sent a team to respond.
“When we arrived, our task was to carry the victim to the medical team at the scene, which pronounced him dead,” he said in a statement.
He said the boy’s body was later handed over to the police for further action.
The cause of the incident is under probe.