The Honolulu Medical Examiner's office has identified the man who died after snorkeling at Hanauma Bay March 31st as 63-year-old Katsumi Machida of Tokyo. He was last seen snorkeling 15 to 20 yards off shore at Hanauma Bay on March 31 when lifeguards found him floating in the water. They brought him to shore and started CPR, and he was taken in critical condition to the hospital where he died Saturday.