Welcome to 12500 Arrow Park Drive, a striking mid-century modern residence that seamlessly blends timeless architecture with thoughtful updates, nestled in the highly desirable Tantallon community. This one-of-a-kind home offers 4 bedrooms and 3.5 bathrooms, defined by clean lines, expansive windows, and light-filled living spaces throughout. The open-concept main level features original hardwood floors, a spacious living room with a fireplace, and effortless flow between the living, dining, and kitchen areas-ideal for both everyday living and entertaining. A versatile main-level bedroom or home office, paired with a full bath, provides flexibility for guests or remote work. The beautifully updated kitchen is both stylish and functional, showcasing granite countertops and premium stainless steel appliances, including a Viking range and Bosch dishwasher. Upstairs, a lofted studio with track lighting overlooks the main living area, adding architectural interest and flexible living space. The upper level also includes three bedrooms, highlighted by a private owner's suite with an en suite bath. Additional features include updated James Hardie siding, custom stained-glass accents, new window framing, and a side-entry two-car garage complete with a workshop and ample storage. Ideally located just minutes from National Harbor, Tanger Outlets, Andrews & Bolling Air Force Bases, and major commuter routes including I-295, this home offers a rare combination of architectural character, modern comfort, and everyday convenience.