Complementary lodging is offered to "Invited speakers" and one of their trainees.
For other participants, here is a list of hotels located close to IRCM, where the conference will be held
Hôtel 10 : https://www.hotel10montreal.com/francais/
Delta Montréal : https://www.marriott.com/hotels/travel/yuldb-delta-hotels-montreal/
Hotel Zéro 1: https://www.zero1-mtl.com/fr
You can also consult this site for more lodging options that will allow you to serach by area https://www.mtl.org/fr/hebergement