Welcome to 269 Brookville Avenue, Islip! This beautifully maintained custom expanded ranch offers the perfect blend of comfort, functionality, and outdoor enjoyment. Featuring 4 spacious bedrooms and 3 full bathrooms, including a private primary suite with a walk-in closet and en-suite bath, this home provides ample space for today's lifestyle. The heart of the home is the large chef's kitchen, showcasing custom cabinetry, granite countertops, stainless steel appliances, and abundant workspace for cooking and entertaining. Bamboo hardwood flooring, recessed lighting, and thoughtful updates throughout add warmth and style. The generous bonus room above the garage offers endless possibilities for a home office, guest space, recreation room, or extended living area. Stay comfortable year-round with six mini-split air conditioning units, oil heat, oil hot water, a Lennox pellet stove, and a new hot water heater. Step outside to your private backyard retreat featuring a 14' x 28' in-ground pool surrounded by a custom paver patio-perfect for relaxing or entertaining family and friends. Additional amenities include a one-car garage and a 10-zone in-ground sprinkler system. A truly special property offering space, versatility, and exceptional outdoor living. Don't miss this must-see home!