Maui Police say a man was found unconscious floating in waters off Black Rock in Kaanapali on Sunday.
The victim was identified as 50-year-old, Michael Taugher of Benicia, California.
According to the police, Taugher was snorkeling with members of his family.
EMS and the Maui Fire Department responded to the scene but were unable to revive Taugher.
Police say there were no signs of criminal activity.