Welcome to 1 Cottontail Lane, an immaculately maintained High Ranch nestled in East Setauket’s desirable Heatherwood Village section, within the prestigious Three Village School District. Showing true pride of ownership, this diamond-condition home boasts exceptional curb appeal, highlighted by a wide, expanded driveway, professional landscaping, and a pristine paver walkway with integrated retaining walls leading to the front door. Inside, the main level features soaring vaulted ceilings, custom millwork, bespoke window treatments, and high-quality American Craftsman vinyl tilt windows alongside an Anderson door. The open living and dining areas feature gleaming hardwood floors, with French doors leading into the dining space. The updated eat-in kitchen is equipped with bright white cabinetry, premium granite countertops, stainless steel appliances, a center peninsula, and gas cooking. Another Anderson door opens from the kitchen to a spacious deck overlooking the property. This level is completed by a luxurious, custom-designed bathroom with a double vanity, a spacious primary bedroom, and two additional bedrooms. The lower level serves as a versatile retreat, offering a generous family room centered around a cozy wood-burning fireplace and durable tile flooring. It also includes a dedicated home sitting room accenting a stylish reclaimed wood wall, a private gym, and a spa-like full bathroom with premium tile work and a corner shower. The attached garage houses the laundry area with a washer and dryer. Outside, the fully enclosed backyard features designer PVC privacy fencing, an above-ground heated pool, a multi-level deck, and a separate paver patio, providing the ultimate setup for outdoor entertaining and play. Additional highlights include a separate hot water heater and central air conditioning (6 years young) powered by gas heat.