luxury seaside houses for sale Nassau County, United States

A rare opportunity to own one of Lido Beach's most distinctive modern coastal residences. Custom-built in 2019, this exceptional home offers over 3,300 square feet of sophisticated living on an oversized six-lot property just 450 feet from the shoreline in exclusive Lido Dunes. Walls of glass fill the open-concept interiors with natural light, while soaring ceilings, premium finishes and a chef's kitchen create an effortless setting for everyday living and entertaining. A private elevator serves every level, culminating in an expansive rooftop terrace with spectacular 360-degree views of the Atlantic Ocean and Manhattan skyline. Outside, a private resort-style setting features a heated saltwater pool, covered porcelain patio, mature landscaping and multiple entertaining areas. Hurricane-rated windows, energy-efficient systems and modern construction provide the comfort and peace of mind rarely found in coastal homes. For buyers seeking effortless coastal living, the residence is also available fully furnished, with thoughtfully curated furnishings offered separately - providing the opportunity for a truly turnkey purchase. Just minutes from Point Lookout and Long Beach, and approximately 55 minutes from Manhattan, 46 Nantwick offers a rare combination of modern architecture, coastal lifestyle and city convenience.