5A5 Steak Lounge is San Francisco's first 'Steak Lounge' - a stylish and contemporary take on the traditional steakhouse with the upbeat ambiance of a cocktail lounge. Executive Chef Allen Chen (Alexander's Steakhouse) has developed an outstanding menu which both complements and explores the boundaries of the traditional 'steak & potatoes' fare. Steaks: we serve 100% Japanese Wagyu, US Certified Angus Beef, American and Australian 'Kobe'. A5 is the highest grade of beef in the world. 5A5- 5 senses/the A5 experience. 5A5 Steak Lounge is conveniently located in the northern FiDi, perfect for happy hour, dining, and late night cocktails. Please view our website for happy hour specials and other events.