Registration Fees & Hotel Rates

The Early Registration deadline for the 2019 ASCO-SITC Clinical Immuno-Oncology Symposium is January 23, 2019 at 11:59 PM (EST). Register before the deadline to receive your badge in the mail before the Symposium.

 Make a hotel reservation through our online reservation system.

Hotel Update

Hotel reservations, changes, or cancellations are no longer being accepted online. 

Changing or canceling an existing reservation? Contact the hotel directly at the phone number listed below. Cancellations must be made 72 hours prior to your arrival date to avoid cancellation fees.

Need to make a reservation? The following hotel might have availability; contact the hotel directly to inquire about available rooms. Discounted Symposium hotel rates subject to availability. 

San Francisco Marriott Marquis 
780 Mission Street, San Francisco, CA 94103 
(415) 896-1600

Hotel Information Room Rate
San Francisco Marriott Marquis
780 Mission Street
San Francisco, CA 94103
$319 single or double room
plus taxes and fees in effect at the time of check in

Room rate includes complimentary Internet access and complimentary fitness center access.

  • Hotel may charge for more than two occupants per room and specific room types are not guaranteed

Hotel reservations received after January 23, 2019, at 11:59 PM (EST) will be processed on a space available basis and may be subject to higher rates. 

We strongly recommend you make your hotel reservation as soon as possible.

When making a hotel reservation, the credit card number provided only guarantees your reservation; the credit card provided at check-in will be used for payment.

Save money by sharing a hotel room at the 2019 ASCO-SITC Clinical Immuno-Oncology Symposium: Connect with other attendees who are interested in sharing a hotel room via the Find a Colleague directory. When the Directory opens later this year, update your profile with the “Interested in Hotel Room Share” tag to denote your interest in sharing a room. Meeting attendees can search for profiles tagged as “Interested in Hotel Room Share” with the ability to immediately message those colleagues.

Use of the Find a Colleague directory, including searching for attendees and sharing a hotel room is subject to the Terms of Use. Use your best judgment and take precautions for your safety. ASCO is not responsible for the safety or security of attendees using the roommate feature of the Find a Colleague directory.

ASCO-SITC Immuno-Oncology Symposium Customer Service Center

11208 Waples Mill Road, Suite 112, Fairfax, VA 22030
Phone: 888-788-1522 (within the U.S.) or +1-703-449-6418 (outside the U.S.)
Fax: 703-563-2715
Registration Email: | Hotel Reservations Email: