Welcome to 139 Erin Lane, a rare opportunity to own a beautifully maintained 3-bedroom, 2.5-bath townhouse in the sought-after Lakes community of East Setauket. Tucked away in a tranquil, park-like setting, this spacious home offers beautiful water views right from your backyard patio. Step inside to a warm and inviting interior featuring a large sunlit living room with a gas fireplace, perfect for cozy evenings. The open-concept flow continues into the formal dining area and a well-appointed eat-in kitchen with stainless steel appliances, plenty of cabinetry, and tiled flooring. A convenient half bath completes the main level. Upstairs, you'll find three generously sized bedrooms including a luxurious primary suite with vaulted ceilings, an abundance of natural light, walk-in closet, and a private en-suite bath with a separate shower and soaking tub. Two additional bedrooms share a full bath, offering flexibility for guests, or a home office setup. Enjoy peaceful mornings and relaxing evenings on your private patio overlooking the lake and fountain, creating a serene, vacation-like atmosphere year-round. Additional highlights include a 1-car attached garage, laundry area, gas heating, central air, and ample storage throughout. Located in the desirable Three Village School District, The Lakes offers residents a low-maintenance lifestyle with beautifully landscaped grounds, walking paths, and a welcoming community feel. Close to local shops, restaurants, Stony Brook University & Hospital, and major highways. Don't miss your chance at this home!