what did sebastian eubank die of

Sebastian Eubank died from a massive heart attack while in the sea in Dubai. The heart attack was linked to a pre-existing heart condition that his family was unaware of. His widow stated that he probably could not have been saved even if he had been out of the water. Sebastian was 29 years old, had recently become a father, and was at his favorite place in Dubai when he died. The death was confirmed by Dubai police and the coroner after a full post-mortem examination