
City Center, Near Public Transit
AV, Breakout Rooms, Stunning Views
Meeting/Conference Space, Historic, Outdoor Space
Max Seated
800
Max Reception
1400
The Old Post Office
433 W Van Buren St, Chicago, IL 60607
Originally completed in 1921 and dramatically restored for modern use, The Old Post Office is one of Chicago’s most distinctive event destinations. The landmark pairs soaring Art Deco architecture with contemporary lounges, conference rooms, and rooftop spaces across its riverfront property. From the marble-lined Historic Lobby to The Meadow’s skyline views, flexible settings support weddings, galas, corporate meetings, receptions, and celebrations, while modern amenities and diverse event environments allow each gathering to feel entirely unique.
Max Seated
800
Max Reception
1400
City Center, Near Public Transit
AV, Breakout Rooms, Stunning Views
Meeting/Conference Space, Historic, Outdoor Space
245 Reception
The Meadow
The Meadow is a 3.5-acre rooftop oasis offering 360-degree views of Chicago and the river. Available seasonally, the landscaped setting includes a running track, pickleball courts, basketball court, and gathering areas. Accommodating receptions of up to 245 guests, it creates a distinctive outdoor backdrop for cocktails, events, activations, and celebrations.
200 Seated | 160 with Dance Floor | 300 Reception
The Penthouse
The Penthouse offers a loft-inspired setting steps from The Meadow, pairing original brick and exposed ceilings with modern fixtures and built-in audio. Accommodating 200 seated guests, 160 with a dance floor, or 300 for receptions, the space creates an easy indoor-outdoor flow for dinners, celebrations, meetings, and rooftop-adjacent events year-round.
150 Seated | 300 Reception
Telegram Lounge
The Telegram Lounge combines contemporary comfort with playful amenities and expansive river views. Floor-to-ceiling windows, a wraparound bar, fireplace, bocce lane, pool tables, and lounge seating define the 11,792-square-foot space. Accommodating 150 seated guests or 300 for receptions, it works beautifully for networking events, celebrations, and relaxed corporate gatherings downtown.
250 Seated | 400 Theater
Marquee Conference Center
The Marquee Conference Center is designed for meetings, presentations, conferences, and breakout programming, with flexible rooms and integrated audiovisual technology. Marquee East and West combine into 4,360 square feet accommodating 250 banquet guests or 400 theater-style, while Air Mail and Stage Coach provide smaller settings for workshops, discussions, and sessions.
800 Seated | 1,400 Reception
Historic Lobby
The Historic Lobby is The Old Post Office’s signature event space, featuring soaring two-story architecture, floor-to-ceiling white marble, brass ornamentation, gold-leaf detailing, and 38-foot ceilings. Spanning 12,742 square feet, the landmark setting accommodates 800 seated guests or 1,400 for receptions, creating extraordinary scale for weddings, galas, and social celebrations throughout.



