Discover this timeless residence perched above Onset Harbor, offering panoramic bay views and unmatched tranquility. Proudly built and owned by one family, this legacy estate was crafted to endure for generations. Sited on over an acre with 6,000+ sq ft of living space, this nostalgic Cape features a grand wrap around porch, an open floor plan ideal for entertaining, plus a sunroom to relax and soak in the scenery. The chef's kitchen boasts dual stoves, sinks, and refrigerators, with a walk-in pantry for ultimate convenience. The main level offers a spacious primary ensuite, while upstairs you'll find three additional bedrooms, a guest bath, laundry room, office, and a second primary suite with private deck and dual cedar-lined walk-in closets. Every bedroom showcases captivating water views. A third-floor flex space is perfect for fitness, studio, or playroom with endless views. The 3,000 sq ft garage below offers soaring ceilings for boats, cars, or a workshop. Fenced yard, two car detached garage, steps to private beach, minutes to quaint Onset village and full service marina—this is a rare coastal retreat.