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Upcoming Events at International Banquet & Conference Center

Located in the heart of Greektown, Detroit, the International Banquet & Conference Center (IBCC) sits on the Atheneum Suite Hotel site at 400 Monroe St. This versatile venue features the Grand Ballroom and three main spaces designed for weddings, corporate conferences, galas, and large gatherings. With capacities up to 900 guests in the Grand Ballroom and flexible layouts for banquets, theatre, or classroom setups, IBCC offers a straightforward, reliable option for your next event in downtown Detroit.

Whether you’re planning a grand gala, a corporate conference, or an elegant wedding, we’ve got you. Secure your seats and coordinate with trusted partners for venue setup, catering, and guest accommodations.

Parking is convenient in Greektown, with several garages and lots nearby. The area is well-served by public transit, including the Detroit People M mover at Greektown Station and proximity to the QLINE streetcar lines, making arrivals and departures easy for guests. Nearby hotels include the adjacent Atheneum Suite Hotel at 1000 Brush St and other Greektown/downtown options within walking distance. For a seamless event experience, we surface affiliate partner recommendations for hotels and dining to simplify planning.

Venue Details

: up to 900 guests; flexible configurations for banquet, theatre, and classroom setups.
: 50–250 guests.
: 70–120 guests.
: 900 for typical large-scale events.
: Grand Ballroom around 10,000 sq ft.

Parking & Transportation

Nearby Greektown parking garages and lots provide convenient access to IBCC.
Transit options include Detroit People Mover (Greektown Station) and QLINE streetcar connectivity nearby.

Nearby Hotels

Atheneum Suite Hotel – Adjacent, 1000 Brush St. (affiliate partner link available)
Greektown/Central Detroit hotels within walking distance for guests and attendees (affiliate partner options listed).

Nearby Restaurants

Greektown District offerings and partner dining options to suit receptions, rehearsals, or post-event gatherings (affiliate partner recommendations).

Notable Events & Clients

Weddings, corporate conferences, galas, and large-scale events have been hosted at IBCC, with organizations such as Oracle and the NALPAC Convention among past clients.

Why Guests Choose IBCC

From your initial inquiry to the final send-off, IBCC provides straightforward, dependable service designed to take the guesswork out of event planning. We’ll help you explore space configurations, coordinate with trusted partners, and secure the right accommodations for your guests.

Good to know

Seating, Parking & Venue Information

Address: 400 Monroe St, Detroit, MI 48226 (IBCC is on the Atheneum Suite Hotel site) [official site & Visit Detroit listings].
Venue type: International Banquet & Conference Center in Greektown, Detroit; features the Grand Ballroom and three main spaces for events.
Largest space and capacity: Grand Ballroom up to 900 guests; largest meeting space around 10,000 sq ft; total capacity listed as 900.
Room capacities: Beaubien Room 50–250 guests; French Quarter 70–120 guests; Grand Ballroom supports a range of setups (banquet, theatre, classroom).
Parking: nearby parking options in Greektown (several garages and lots listed by Detroit venues).
Transit: Greektown is served by the Detroit People Mover (Greektown Station) and is near the QLINE streetcar lines.
Nearby hotels: Atheneum Suite Hotel (adjacent) at 1000 Brush St; other Greektown/downtown hotels within walking distance.
Notable events hosted: weddings, corporate conferences, and galas; clients cited include Oracle and the NALPAC Convention.

International Banquet & Conference Center Tickets