A masterpiece of architectural design, this Post Modern Colonial residence graces a one-acre estate within the esteemed Nissequogue Overlook neighborhood of Smithtown. Indulge in the pinnacle of luxury living on Suffolk's North Shore, conveniently situated just 50 miles from both the vibrant energy of Manhattan and the serene beauty of Montauk. This truly exceptional home is a testament to meticulous craftsmanship, featuring the finest materials along with careful attention to architectural details boasting soaring ceilings, millwork featuring multiple layers of moldings, built-ins, tray ceilings throughout the home, an abundance of natural light, and an exquisite gourmet kitchen adorned with custom cabinetry, top-of-the-line appliances, and gleaming gemstone countertops. Enjoy intimate breakfasts at the elegant breakfast bar or host grand gatherings in the spacious dining area, where specialty moldings add a touch of refined elegance. Retreat to the luxurious primary suite, an oasis of tranquility featuring a spa-like bathroom with exquisite marble flooring and a serene sitting area graced with Brazilian wood flooring and exquisite walnut inlays. Unleash your inner entertainer in the dedicated Entertainment/Billiard Room a sophisticated haven featuring a captivating billiard room, a well-appointed bar area, and a cozy poker table room all overlooking the elegant formal living room. Escape to the custom-built library, a haven for bibliophiles, adorned with intricate layers of specialty carvings, herringbone floors, and a cozy built-in window seat. Step outside to an outdoor oasis, with meticulously landscaped gardens featuring mature trees and vibrant flowering bushes sets the stage for al fresco dining on the expansive Pergola covered blue stone patio. Relax by the inviting saltwater kidney-shaped in-ground pool, adorned with elegant blue stone slate, and entertain guests under the shade of the charming gazebo or the sophisticated cabana. This magnificent home offers unparalleled convenience with a detached three-car garage boasting ample storage and an EV charging station, a whole-house propane generator for peace of mind, and a fully finished basement that offers a spacious den area or playroom, perfect for family fun and relaxation. Additionally, there's a dedicated gym room to help you stay active and healthy, a convenient wet bar for entertaining, and a half bath for added convenience. You'll also find plenty of storage rooms to keep your belongings organized. This stunning home truly is a Must-See! (Be sure to view the attached virtual tour slideshow & also the floorplans & highlight/Amenity sheets in the photos section