The boater airlifted to a South Florida hospital after the powerboat he was on flipped in the water near Marathon Thursday has died.
Two others were injured. Florida Fish and Wildlife Conservation Commission officials said the powerboaters were on their way to Key West when the vessel flipped for an unknown reason.
NBC 6 cameras captured three men holding on to an injured man on the edge of a FWC boat as it rushed to shore.
The incident remains under investigation.