RARE opportunity to own a sprawling two-family home just a short 10-minute walk to historic downtown Portsmouth! Welcome to 413 Islington Street, a distinctive and expansive duplex offering nearly 3,000 sq ft of living space, rich character, and exceptional versatility. This rambling property exudes classic New England charm and features a total of 4 bedrooms, 3 baths, and ample bonus space, making it ideal for owner-occupants, multi-generational living, or investment potential. Each unit offers flexible layouts with generous room sizes and the opportunity to customize or enhance over time. The home also includes an unfinished basement for storage, two separate driveways for ample parking, and a sizable yard with additional outdoor storage space-an uncommon find so close to the heart of the city! The location is truly outstanding. Portsmouth is one of New Hampshire's most vibrant and sought-after coastal communities, known for its historic architecture, thriving arts scene, and exceptional dining. Just minutes from your door, downtown Portsmouth offers award-winning restaurants, boutique shopping, waterfront parks, Prescott Park events, theaters, galleries, and a lively year-round atmosphere. Enjoy easy access to the Seacoast, beaches, marinas, and scenic walking paths, as well as convenient commuting via I-95 and Route 1. Properties with this size, flexibility, and proximity to downtown are rarely available-this is a unique chance to secure space, character, and location all in one remarkable investment. Photos may be digitally enhanced.