Welcome to Unit 431 at 525 Water St SW-a rare, modern 2BR + den / 2.5BA duplex penthouse tucked along the quieter end of the Wharf. This light-filled residence features an open-concept layout with floor-to-ceiling windows and sleek, contemporary finishes throughout. Upon entry, you're greeted by a gourmet kitchen that flows seamlessly into a spacious living and dining area-perfect for both everyday living and entertaining. The main level also includes a generously sized bedroom with en-suite bath, along with a convenient powder room for guests. Upstairs, you'll find a second bedroom with its own en-suite bath, a bright and versatile den, and the true showpiece of the home, an extraordinary private 600 sq ft rooftop terrace. With sweeping water views and ample room for a container garden, gas grill, and fire pit, this outdoor space is ideal for everything from quiet evenings to hosting gatherings of up to 40 guests plus garage parking for 2 cars. Built to LEED standards, 525 Water offers a full suite of amenities, including a fitness center, concierge, and on-site management. The community is known for its prime location adjacent to Waterfront Park. Enjoy being just steps from the Wharf's renowned dining, shopping, entertainment, and marina, with the Waterfront Metro nearby. Conveniently located only 10 minutes from National Airport and approximately 2 miles from the White House and U.S. Capitol.