There are so many Great Rivers but this one is Great River in Suffolk County, NY.

Great River is a hamlet in the Town of Islip in Suffolk County in Long Island. It is situated approximately 50 miles (80 km) east of New York City on the South Shore of Long Island adjoining the Great South Bay, a body of water protected from the Atlantic Ocean by one of the outer barrier islands, the Fire Island. Great River’s name derives from Connetquot, an Algonguian word for Great River. It was home to many wealthy families. For centuries, the Algonguin people inhabited Long Island. A sub-division of the Algonquins known as the Secatogue tribe occupied all of the area in what is now the town of Islip. Their principal villages were at West Islip (Secatogue), Bay Shore (Penataquit), and Oakdale (Connetquot).

Great River hamlet was formerly known as Youngsport. In…