Exquisite Luxury Living in the Heart of Dix Hills. Welcome to 9 Arista Court, a majestically designed colonial nestled on a lush, private one-acre lot within the prestigious Half Hollow Hills School District. This residence is the epitome of an "entertainer's delight," seamlessly blending sophisticated interior finishes with a breathtaking resort-style backyard. From the moment you step inside, gleaming hardwood floors guide you toward the heart of the home: a true chef's sanctuary. This gourmet kitchen is a genuine showstopper, boasting professional-grade Wolf and Sub-Zero appliances, premium granite countertops, and custom cabinetry centered around an expansive island with significant storage and seating. The home's layout offers unparalleled luxury, ensuring total privacy. The second level features a palatial primary suite complete with high ceilings, a spa-like ensuite bathroom with soaking tub, stand-up steam shower, dual vanities, high ceilings and an oversized walk-in closet. Remarkable in its design, the additional upstairs bedrooms are configured as two junior en-suites, featuring their own private bathrooms and walk-in closets, plus another spacious bedroom, full bath with washer/dryer. For added versatility, the main floor includes a dedicated bonus room, providing the perfect footprint for a high-end professional home office or fifth bedroom. Whether you are hosting a formal gala or a casual weekend gathering, the entertainment options are endless. The full finished lower level offers a vast canvas for a home theater, private gym, or recreation room, while the outdoor oasis beckons with a stunning gunite in-ground pool. Set against a serene, fenced-in landscape, the sprawling backyard also features a fully equipped outdoor kitchen, making al fresco dining and summer hosting entirely effortless. Experience luxury without compromise in this Dix Hills gem-a home that truly delivers on every level.