A 216-acre park on Long Island is home to 4 mansions straight out of 'The Great Gatsby' — take a closer look

• Sands Point Preserve is a 216-acre park in New York.
• The preserve sits on what used to be the Guggenheim Estate on Long Island's North Shore.
• The property has four mansions, including an Irish-inspired castle built in 1902.

There are many mansions scattered across the North Shore of Long Island, New York, that date back to the Roaring '20s.

In Sands Point, a village at the tip of Cow Neck Peninsula, there lies a 216-acre park and conservancy that dates even further back to 1900, when the land was purchased by Howard Gould, the son of the railroad tycoon Jay Gould.