The Peconic Bay is the parent name for two bays (Great Peconic Bay and Little Peconic Bay) between the North Fork and South Fork of Long Island in Suffolk County, New York, United States. It is separated from Gardiners Bay by Shelter Island.
Peconic Bay is divided by Robins Island into the Great Peconic Bay on the west and Little Peconic Bay on the east. The west end of Great Peconic Bay is also called Flanders Bay. Great Peconic is a shallow bay, less than 9.1 m deep, while Little Peconic reaches depths of over 24 m. The Shinnecock Canal provides access from the Great Peconic Bay to Shinnecock Bay. The two Peconic Bays are often collectively referred to as
