In one of South Boston’s most coveted neighborhoods, just a half-block from M Street Beach and the L Street Bathhouse, 109-111 Marine Road offers a rare, flexible multifamily opportunity with strong income potential and coastal convenience. Spanning 3,257 square feet, this meticulously maintained property is ideal for extended families or owner-occupants seeking versatility and value in a prime location. The spacious owner’s bi-level unit occupies the second and third floors and features an expansive 7-room layout with four large bedrooms and two full baths. The third level was fully renovated in 2014 and includes two additional bedrooms and a full bath, with HVAC providing year-round climate control. The first-floor apartment offers five rooms, two bedrooms, and one full bath, ideal for guests, extended family, or rental income. Both units enjoy front and rear decks, extending the living space outdoors for relaxation and entertaining. Further highlights include a high-ceilinged basement with outstanding potential for expansion, recreation, or storage, and off-street parking for three or more vehicles, including two private garages, a true luxury in this neighborhood. Ideally located between L and M Streets, this property offers immediate access to the beach, local parks, vibrant dining, and public transit, reinforcing its convenience and exceptional value.