69 Ocean Avenue Welcome to 69 Ocean Avenue, a stunning 3, 500-square-foot custom waterfront residence thoughtfully renovated in "Prairie-style" architecture inspired by the renowned architect Frank Lloyd Wright. This home is a boat owner's "dream come true" because it is on Massapequa Cove, a natural waterfront estuary part of the Great South Bay. This home has an 80 foot long pier, an 11, 500 pound capacity 'HighTide' brand electric boat lift, and 90+ feet of bulk-heading separating the beach and bay waters from this home's low maintenance back yard. The entire Great South Bay is your saltwater pool when you live here! The popular private Biltmore Beach Club is nearby and provides members beach, poolside and fun families clubhouse activities. This exceptional home has 5 bedrooms and 4 full bathrooms with its modern open-concept design. Its soaring 9- to 10-foot ceilings and walls of windows and glass doors capture expansive waterfront views from nearly every room. The double door grand entryway foyer provides you with two coat closets, a wide curved staircase with Art Deco-inspired railings, and beautiful 5.5-inch engineered maple flooring that extends throughout much of the home. The kitchen features cherry shaker-style cabinetry, quartz countertops, stainless steel appliances, a peninsula with seating for four, and a spacious walk-in pantry. Perfect for entertaining - the main floor's expansive living and dining areas are highlighted by a floor to ceiling stacked stone gas fireplace while the lower level's large den (or family room) offers elegant porcelain tile flooring. The large luxurious primary bedroom suite measures 26' by 17' and serves as a private retreat featuring a gas fireplace, two large walk-in closets, and a en-suite bath complete with a skylight and gorgeous water views. Step outside to the primary bedroom's large covered lanai with stainless steel railings overlooking 95 feet of pristine waterfront, an 80-foot pier, and great views of the Cove and the Great South Bay. Enjoy breathtaking morning sunrises from your own backyard paradise. Additional highlights include 2 laundry rooms with the second-floor laundry room having a kitchenette, a 2-car garage with shelving and kayak storage, a large double-door storage shed attached to left side of house, a central vacuum, ADT monitored alarm system with 8 cameras, 2 Aprilaire air filtration systems, 2 built in humidifiers, a level 2 EV charger, and an owned rooftop solar system generating 12+ megawatts of electricity annually, complemented by a whole-house LG brand battery backup system. This smart home seamlessly combines luxury, sustainability, and energy efficiency in an unparalleled waterfront setting. Great for NYC commuters, being less than 2 miles from the Massapequa LIRR commuter parking lot!