Rare waterfront opportunity in the highly desirable Harbour Green section of Massapequa! Set on an oversized .32-acre property with approximately 100 feet of bulkhead, this expansive 4,629 sq. ft. contemporary offers incredible space, water views and exceptional potential. Featuring 5 bedrooms and 5 baths, the home includes a spacious primary suite with en-suite bath, walk-in closet and private balcony overlooking the yard and water, plus two additional bedrooms with en-suite baths. A dramatic great room with soaring ceilings and multiple living and entertaining spaces throughout the home provide tremendous flexibility. Outside, enjoy a large waterfront yard, in-ground pool, deck, patio, bulkhead and boat slip. Just a short distance to Sunset Park and offering rights to the Harbour Green Shore Club. Exceptional house size, property size and waterfront footage for the area—a rare opportunity in one of Massapequa’s most sought-after waterfront communities.