Welcome to this beautifully maintained and thoughtfully upgraded Colonial in the highly sought-after Oak Neck Estates. This spacious 5-bedroom, 3-bathroom home sits on an expansive, landscaped property, offering luxury, comfort, and energy efficiency in equal measure. Inside the overall layout strikes a balance between classic Colonial formality and modern openness, with natural light filtering through oversized windows and a feeling of comfort from the moment you walk in. Step inside to find a fully updated kitchen with custom cabinetry, quartzite countertops, stainless steel appliances, and large island perfect for entertaining. There is a seamless flow to the formal dining room offering sliders to the patio/pool area and a large living room with wood-burning fireplace perfect for family gatherings as well as a den/media room for cozy movie nights. Upstairs, you'll find five generously sized bedrooms with hardwood floors , including a large primary bedroom with a newly renovated en-suite bath, and ample closet space. Each of the additional bedrooms offers a quiet retreat from the main living spaces, thoughtfully positioned for privacy and comfort with easy access to a full bathroom. Step outside to your private backyard retreat. A sparkling heated in-ground pool, surrounded by a spacious patio and mature landscaping, offers a perfect setting for summer entertaining, al fresco dining, or relaxing weekends. The property is enhanced by solar panels, offering both sustainability and significant energy savings. Don't miss this rare opportunity to own a stunning colonial in one of West Islip's premier neighborhoods! A must see...