The incident occurred at around 5:30 p.m. Sunday, Aug. 25 in Massapequa, Nassau County Police said.
According to detectives, a Town of Oyster Bay Constable located the man floating in the water approximately one-half mile south of John Burns Park, according to police. The man was pronounced deceased a short time later by a police medic.
The identity of the man is currently unknown, said police, who added that criminality is not suspected.
The incident is still under investigation.
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