Hotel and Travel Information

Hotel

We are pleased to host the 2023 Annual Clinical Assembly (ACA) at the Chicago Marriott Downtown Magnificent Mile. Located in the heart of downtown Chicago, the hotel offers luxury, comfort, thoughtful amenities and exceptional views of the city and Lake Michigan. The hotel is located just steps from the best attractions and entertainment options Chicago has to offer.

ACOS has negotiated discounted room rates for 2023 ACA registrants. Reservations are available on a strictly first come, first served basis. We encourage all participants to reserve their hotel room now as space is limited, and the hotel is sure to fill up quickly!

Chicago Marriott Downtown Magnificent Mile

540 North Michigan Avenue, Chicago, Illinois
(312) 836-0100 | Website

Room Rate

Booking your Hotel Room

Online Reservations: Please use the link below to make your reservations for this year's conference. You may click on the link or cut and paste the link into your web browser. This will direct you to a dedicated page that will be pre-loaded with the group rate for the ACOS Annual Clinical Assembly.

https://book.passkey.com/e/50491981

Reservations by Phone: ACA registrants may also contact the Chicago Marriott Downtown Magnificent Mile Reservations Department directly to book rooms. Once transferred to an agent:
Please reference:   ACOS and provide the hotel name: Chicago Marriott Downtown Magnificent Mile
Reservations:   877-303-0104
Hotel Cut-off: Wednesday, August 30, 2023

Warning: The reservation methods listed on www.facos.org or communicated directly by the ACOS are the officially authorized methods of booking your room at the host hotel for the 2023 Annual Clinical Assembly of Osteopathic Surgeons. Please beware of fraudulent organizations offering rooms at a significant discount.  Attendees may be lured by highly attractive rates but could fall prey to imposters causing a loss of deposits, be charged hidden fees, or bait and switched to hotel rooms they never booked. Do not give them your credit card information. These companies are in no way affiliated with the Annual Clinical Assembly of Osteopathic Surgeons, the ACOS, the AOCPr or the Chicago Marriott Downtown Magnificent Mile.