Mastro’s Steakhouse at 1285 6th Ave brings the brand’s signature glamour to the Theater District with a multi-level space, live music in the lounge, and a menu of prime, wet- and dry-aged steaks, pristine seafood, and sushi. The room is classically upscale—think dim lighting, white tablecloths, polished service, and a lively bar anchored by nightly live entertainment—making it a favorite for pre- and post-theater dining as well as corporate celebrations and milestone events. The kitchen highlights Mastro’s staples such as the bone-in ribeye, tomahawk chop, and buttery filet, alongside chilled seafood towers, lobster mashed potatoes, and the famed warm butter cake. A robust wine list and craft cocktails complement the menu. Private dining is a major draw here. Multiple rooms across upper floors accommodate everything from intimate executive dinners to large-scale receptions. The crown jewel is the Penthouse level, a flexible events floor with floor-to-ceiling windows overlooking Sixth Avenue, contemporary chandeliers, and dedicated bars—ideal for presentations, seated dinners, and cocktail receptions. Smaller private rooms include wine-accented boardrooms suited to high-touch meetings or VIP client dinners, as well as mid-sized salons that can be configured in rounds, long kings, or reception style. Event planners will find in-house AV support, customizable prix fixe menus (including steak and seafood-forward packages), and an experienced events team that coordinates timelines, menu selections, and day-of logistics. Located steps from Radio City Music Hall, Rockefeller Center, and major Midtown offices, Mastro’s is convenient for theatergoers and corporate groups alike. Reviews consistently note attentive, professional service, an energetic atmosphere (especially near the lounge when the band is playing), and high-quality steaks and seafood. For those seeking a glamorous, New York-steakhouse experience with serious private dining capability, Mastro’s delivers.