Welcome to 479 Park Avenue, a rare opportunity in one of Portsmouth's most desirable waterfront neighborhoods. Situated on a 3,600+ square foot lot just one house off the beautiful Sakonnet River, this property enjoys stunning 180-degree water views and endless potential for homeowners, investors, builders, or those seeking a seasonal coastal retreat. The existing home offers approximately 1,200 square feet of living space with three bedrooms, one full bathroom, a spacious living room, large kitchen, and a first-floor office that provides flexibility for remote work or additional living space. The fully fenced yard offers privacy and ample outdoor space for entertaining, gardening, or enjoying the coastal surroundings. Recent improvements include a brand-new roof installed in 2025, replacement windows throughout, updated flooring, and a recently updated bathroom, providing a solid foundation for future improvements or redevelopment. Located just steps from the water and within walking distance to local beaches, restaurants, and neighborhood amenities, this property offers an exceptional lifestyle opportunity in a highly sought-after location. Whether you're looking to renovate, invest, build new, or simply enjoy the charm of coastal Portsmouth, the possibilities here are endless. Property is being sold strictly as-is. Buyers and buyers' agents to perform all due diligence regarding redevelopment, renovation potential, flood zone requirements, and future use of the property.