The boat ramp named Peconic River is located in Riverhead, New York, at the coordinates 40.90753555 latitude and -72.73199463 longitude. It is a public boat ramp that provides access to the Peconic River, which is a saltwater tidal river that flows into Flanders Bay and ultimately into the Atlantic Ocean.

The Peconic River boat ramp is approximately 20 feet wide, which allows for easy launching and retrieval of small to medium-sized boats. The ramp itself is made of concrete and is in good condition, according to recent reports.

Various types of watercraft are permitted on the Peconic River, including powerboats, sailboats, kayaks, canoes, and paddleboards. However, it is important to note that all boats must adhere to New York State regulations regarding safety equipment and operation.

Overall, the Peconic River boat ramp is a convenient and well-maintained facility that provides easy access to the beautiful waterways of Riverhead, New York.