Welcome to 15 Periwinkle Lane, a beautifully remodeled Cape-style home in the desirable Summersea village of New Seabury. Offered turnkey and tucked away on a peaceful dead-end street abutting protected green space, this exceptional property offers the perfect blend of privacy, comfort, and coastal living. Ideally located just 0.3 miles from the New Seabury Marina and approximately 1 mile from the coveted Popponesset Spit Beach. Designed for both everyday living and entertaining, this home features 3 finished levels with 4 bedrooms, 3 full bathrooms, and central air conditioning throughout. The designer kitchen is beautifully appointed with custom cabinetry and shelving, Silestone countertops, Bosch appliances including electric wall oven, gas cooktop, and dishwasher as well as a Fisher & Paykel refrigerator. These premium finishes blend style, functionality, and modern sophistication. The adjoining dining room features custom built-ins and a wine refrigerator, creating an inviting space for entertaining family and friends. The 1st floor primary suite offers a beautifully renovated bathroom featuring a glass-enclosed walk-in rain shower with hand held and wall jets. The 2nd floor includes 2 additional bedrooms with ample storage and a full bathroom with tub/shower including sliding glass door. The spacious walkout lower level provides exceptional flexibility with a private bedroom, full bathroom including 6' walk-in shower, laundry room, and a 2nd living room with wood burning fireplace, making it ideal for guests, extended family, or multigenerational living. This meticulously maintained home has been thoughtfully updated: new roof, Azek front deck with pergola, mahogany front door, 2 new asphalt driveways, new paver walkways trimmed in cobblestone, landscaping, a new water heater, and a natural gas house Generac generator, providing comfort and peace of mind year-round. Additional highlights include oak flooring, natural gas heat, town water, an outdoor shower, and a 2-bay carport. Outdoor living is just as impressive, with a tranquil backyard designed for relaxing and entertaining. Enjoy multiple patios, a side deck, and an outdoor bar, all surrounded by mature landscaping and peaceful green space. Move right in and experience the best of Cape Cod living in one of New Seabury's most sought-after villages, just moments from the marina, beaches, golf, dining, and everything this exceptional coastal community has to offer. Passing title 5 Septic system!