2026 Hotel Information

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Near Gateway Arch, Marriott St. Louis Grand is in the heart of St. Louis, within a 5-minute walk of National Blues Museum and Dome at America’s Center. This hotel is 0.5 mi from Busch Stadium and 0.7 mi from City Museum. Stay in one of 917 guestrooms featuring flat-screen televisions. Your memory foam bed comes with premium bedding. Complimentary wireless internet access for IAI attendees keeps you connected, and satellite programming is available for your entertainment. Private bathrooms with shower/tub combinations feature complimentary toiletries and hair dryers. Enjoy American cuisine at Zenia Bar & Grille, a restaurant which features a bar/lounge, or stay in and take advantage of the 24-hour room service. Cooked-to-order breakfasts are served on weekdays from 6:30 AM to 11:00 AM and on weekends from 6:30 AM to noon for a fee.


IAI Conference Rate is $160 per night exclusive of taxes.

The hotel room rate for the IAI Group is $160/night (exclusive of taxes).  Reservations must be secured for one night’s guestroom at the time of booking with either credit card, cash or check.  The cut-off date for the Conference Room Rate is when the secured conference block is filled or Thursday, July 19, 2026 (whichever occurs first) after which all remaining guestrooms will be released back to the Hotel.  Reservations after cut-off date will be accepted based on availability.