First time on the market! Nestled on 2 flat, private acres within the coveted Lloyd Neck Estates Homeowners Association, this custom-built residence offers timeless elegance, exceptional versatility, and an unparalleled lifestyle. Designed with both comfort and sophistication in mind, this bright and spacious home features a traditional floor plan enhanced by high ceilings, custom moldings, raised paneling, oversized windows, beautiful hardwood floors, and a grand two-story foyer. At the heart of the home is a beautifully appointed chef's kitchen featuring a large center island, gas cooking, stainless steel appliances, Cambria quartz countertops, dual pantries, and French doors that open to your backyard patio - perfect for entertaining and everyday living. A rear staircase off the mudroom leads to an impressive second-floor recreation space, while the thoughtfully designed floor plan offers incredible flexibility. The first floor primary suite can also serve as a private in-law suite, and additional living spaces upstairs provide options for a second primary suite or comfortable au pair accommodations. The second level boasts two extraordinary oversized spaces, ideal as a recreation room, gym or home office. One of the home's most remarkable features is its energy efficient geothermal heating and cooling system. Utilizing renewable energy from beneath the earth's surface, this environmentally friendly technology provides year-round comfort with significantly reduced utility costs and eliminates the need for natural gas or heating oil. Hardie plank and Azek construction an added bonus to this easy maintenance home! The sprawling grounds offer endless possibilities, including ample space for a pool, tennis court or sport court. More than just a home, this property offers an exceptional lifestyle. Enjoy access to your own private association beach, dock, and mooring, and as a Lloyd Harbor resident, enjoy the nearby Lloyd Harbor Village Park which includes summer camp programs, tennis, and additional beach and boating access. Nature enthusiasts will appreciate the close proximity to Caumsett State Park and Target Rock Preserve, while residents also benefit from the highly regarded Cold Spring Harbor School District. Additionally, Lloyd Harbor provides private Village police. For the commuter, just a 55 minute train ride to Manhattan. A rare opportunity to own an exceptional residence in one of Long Island's most desirable waterfront communities.