The body of a man was found floating in the waters off the Red Hook, Brooklyn, docks, cops said Sunday.

The unidentified man was spotted near 499 Van Brunt St. at around 1:30 p.m. on Saturday, according to police.

The NYPD Harbor squad rushed to the scene and pulled the unresponsive adult man from the water, cops said. 

When EMS arrived, they declared the man dead on the scene, authorities said. 

The Office of the Chief Medical Examiner will determine the cause of death.