Understated timeless elegance and exceptional attention to detail define this stunning, completely updated tri-level split in the highly sought-after West Islip School District. Perfectly located mid-block on a quiet street, just minutes from major roadways, top hospitals, shopping, schools, and Robert Moses State Park & Beach. Beautiful curb appeal welcomes you with exquisite landscaping including stone walls, magnolia and Japanese maple trees, hydrangea, weeping beech, roses, lilac, daylilies, and Lenten rose. The light-filled open floor plan offers soaring ceilings, skylights, Andersen windows, hardwood floors, custom moldings, and an open staircase. The living room flows into a charming cafe & bar/entertaining space featuring custom white shaker cabinetry, butcher block counters, built-in refrigerator, shiplap accents, and Andersen windows. French doors lead to the open dining room and stunning chef's kitchen, just two years young, featuring walls of custom white shaker cabinetry, quartz countertops, tiled backsplash, GE stainless steel appliances, and luxury vinyl plank flooring. A full bathroom and versatile fourth bedroom/den with vaulted ceilings and French doors to the backyard complete this level—ideal for guests or potential accessory apartment setup. The upper level offers three spacious bedrooms and a beautifully updated full bathroom with custom vanity and soaking tub. The lower level features a large family/rec room, renovated powder room, and laundry/utility room with Maytag washer/dryer, Burnham gas boiler, and additional storage. The fully fenced backyard is an entertainer's dream with multi-level decking, 16' x 32' sunken above-ground pool, paver patio, 7-zone sprinkler system, and storage shed. Additional highlights include solar panels for minimal electric costs, a 50-year architectural roof, and a 6-car Belgium block lined driveway. Move right into this impeccably maintained and beautifully upgraded home in a quiet, convenient West Islip location.