Location: 443 Sail Walk, Fire Island Pines, New York

Price: $6,500,000

Year Built: 1961 (renovated in 2006 by architect Hal Hayes)

Footprint: Three bedrooms, two baths

From the Agent: “An undisputed architectural masterpiece, the Pyramid House offers unbelievable views, true midcentury style, unparalleled peace and privacy, along with sophisticated yet unpretentious living. The centerpiece is the great room with its soaring ceiling and wall of glass overlooking the dunes of Fire Island National Seashore. Beneath, the enormous primary suite looks out to the dunes on one side and the pool deck on the other. Across the deck are two guest-cabana bedrooms and a bathroom, both in the shape of pyramids. Overall, this is a trophy home that has the potential to produce extraordinary income.”

The Pyramid House in Fire Island Pines, New York, is currently listed for $6,500,000 by Glenn Rice of Brown Harris Stevens.