Perched atop the Marina, 3307 Broderick is a rare modern penthouse designed for effortless indoor/outdoor living. Completed in 2016 within an exclusive two-unit building and accessed by private elevator, this 4-bedroom, 3.5-bath home spans two levels and culminates in a deeded 690 sf private roof deck with a fire pit and sweeping 360 views of the Golden Gate Bridge, Palace of Fine Arts, and city skyline. The upper level offers a grand entertaining space where expansive Bonelli retractable doors open to a west-facing 285 sf terrace, perfect for dining al fresco or gathering with friends. The chef's kitchen boasts Miele appliances, a wine refrigerator, and a striking Statuario Carrara marble island. All bedrooms occupy one level, including a serene primary suite with spa-inspired bath, soaking tub, double vanity, and walk-in closet. High ceilings, radiant-heated oak floors, skylights, and integrated smart-home features complement deeded garage parking. Just steps from the Marina Green and Chestnut Street's vibrant shops and dining, this residence offers San Francisco luxury at its finest.