Introducing 9 Dolphin Ave. at Winthrop Beach! This charming seaside Colonial boasts 8 spacious rooms, 3-4 bedrooms, and 2.5 bathrooms, offering a delightful blend of comfort and elegance. Recent updates, including the kitchen, baths, high-efficiency heating, solar panels (no electric bill) and roof, sprinklered yard, all ensure modern convenience and peace of mind.The first floor welcomes you with an inviting bayed living room, elegant dining room, well-appointed kitchen (granite/stainless/shaker soft close cabinets), heated mud room or den, and a convenient half bath. Upstairs, discover 2-3 bedrooms or 2 BR plus study with a full bath, while the third floor features a private full bedroom ensuite. The finished basement provides versatile space for a family room or office. Step outside from the first floor mud room/den onto the expansive rear deck, where you can unwind and entertain while overlooking the private, beautifully landscaped and fenced yard with a stone patio and trellis.