Beautiful jumbo Marina flats on a 26' x 120' lot, owned by the same family for over 64 years. These gracious period-designed flats showcase the elegance of the era with well-preserved original hardwood floors, rich woodwork, French doors, elegant living rooms with fireplaces with lovely park views, formal dining rooms, and a spacious entrance/landing area in the upper unit, perfect for entertaining. Kitchens are well laid out with adjacent breakfast rooms, ready for your personal updates. Downstairs features an all-purpose room, presenting development possibilities, opening to a large, south-facing garden and sunny urban oasis. The garden includes magnolia, camellia, lemon and apple trees, heritage roses, and native plants. Prime location across from the renovated Moscone Recreation Center with public library, 2 playgrounds, dog park, golf driving cages, tennis/pickleball courts, and green spaces. A block from the vibrant Chestnut Street neighborhood commercial district with its popular restaurants, cafes, and boutiques, plus easy access to Marina Green, Fort Mason, Marina Safeway, Crissy Field, and the Sunday Farmers Market. A great opportunity for owner-users, partners, or investors seeking classic charm, possible development potential, and an unbeatable Marina lifestyle. Building shall be delivered vacant at close of escrow!