A Pennsylvania man was found floating face down in waters off Kihei on Sunday, according to Maui police.
The man was identified as 73-year-old John Ready of Hatboro. Police say he was about 100 yards from shore off Wailea Point.
He was taken to the Maui Memorial Medical Center and was later pronounced dead.
Police say Ready was a passenger on the Pacific Whale Foundation cruise boat and was snorkeling at the time of the incident.
The cause of death is pending autopsy results.