Welcome to one of the largest custom Colonial homes on a beautiful tree-lined block in Massapequa! Offering over 4,500 square feet of exceptional living space, this impressive 6-bedroom, 4.5-bath residence is perfectly situated on a private 105' x 250' professionally landscaped property designed for both everyday living and grand-scale entertaining. The resort-style backyard is an entertainer's dream, featuring an in-ground pool with a newer liner (approximately 3 years) and heater (approximately 5 years), pool house with outdoor shower, built-in barbecue complete with sink and refrigerator, basketball court, extensive paver patios, and nine-zone in-ground sprinklers. Inside, you'll find elegant custom moldings, abundant high-hat lighting, and spacious, thoughtfully designed rooms throughout. The banquet-sized formal dining room is ideal for entertaining, while the oversized eat-in kitchen is the heart of the home, featuring granite countertops, a center island and sliders to the yard. Kitchen includes a Viking 5-burner stove with pot filler, double ovens with warming drawer, Viking refrigerator, & compactor. A Butler's pantry provides additional prep and storage space. The inviting large family room offers a gas fireplace, creating the perfect gathering space. The first floor also features a private guest or nanny suite complete with its own living room, bedroom, and full bath, offering outstanding flexibility for extended family or guests. The luxurious primary suite is a true retreat with private balcony access, a brand-new spa-inspired bath, an enormous walk-in closet, and a dedicated home office. Four additional generously sized bedrooms complete the second level. An additional bonus level provides excellent space for a playroom, recreation room, or abundant storage. Additional highlights include a three-car garage with an EV charging line, an oversized driveway with ample parking, four-zone central air conditioning, alarm system, two 150-amp electrical panels, and tons of outdoor entertaining space. This exceptional home offers an unparalleled combination of size, luxury, and amenities in one of Massapequa's most desirable neighborhoods.