The Coast Guard received a distress message from a man on a sinking boat in the East River around 8 p.m.
The man was the only person on board the 40 foot boat when it began taking on water.
It then sank near Rikers Island.
The boater ended up in the water and was rescued by the NYPD Harbor Unit. He was not hurt.
The boat sank in about 20 feet of water.