Privacy, space, and an unbeatable location come together in this beautiful 4-bedroom, 2.5-bath Colonial, ideally situated on a fully fenced .77 acre lot in the sought-after Island Estates community within the award-winning Three Village School District. Designed for both comfortable everyday living and effortless entertaining, the main level features a welcoming living room, formal dining room, spacious den, convenient powder room, and a bright eat-in kitchen appointed with quartz countertops, stainless steel appliances, and abundant cabinetry. Elegant French doors in the den and sliding glass doors off the kitchen provide seamless access to the paver patio, creating an ideal indoor-outdoor flow. Hardwood floors add warmth and timeless appeal throughout much of the home. The second level offers four generously sized bedrooms, including a spacious primary suite with vaulted ceilings, abundant closet space, and a private ensuite bath featuring a jacuzzi tub and separate shower. A full hallway bathroom comfortably serves the additional bedrooms. The finished basement expands your living space with a dedicated laundry room and two generously sized finished rooms currently used as playrooms, offering endless possibilities for a home office, fitness area, media room, or recreation space. Step outside to your private backyard oasis. The fully fenced ¾-acre property offers a spacious lawn with plenty of room for a pool while still leaving ample space for entertaining, recreation, and outdoor enjoyment. Additional highlights include a two-car attached garage, in-ground sprinkler system, and mature landscaping that enhances both privacy and curb appeal. Conveniently located just minutes from Stony Brook University and Hospital, the LIRR, Port Jefferson Village, Stony Brook Village, the Setauket Greenway Trail, shopping, dining, and area beaches, this exceptional home offers the perfect balance of privacy, convenience, and lifestyle—all approximately 60 miles from Manhattan.