The city Medical Examiner’s Office has identified the 36-year-old man who drowned while free diving Friday as Michael Assily of Aiea.
Emergency Medical Services said Assily was diving with a friend at 5 a.m. near Kaimana Beach in Waikiki.
When firefighters arrived, police officers were applying CPR.
Paramedics took over and took the victim in critical condition to a hospital, where he died.
Police have classified the apparent drowning as an unattended death.
An autopsy will be performed on Monday to determine the cause of death.