Here is the reservation link:
https://book.passkey.com/go/MBCNA2023
Officially open as of June 21, 2022.
Guest also have the option of calling Marriott reservations at 1-877-901-6632 to make reservations by mentioning the event name in order to receive the discounted rate of $229.00 nightly.
The cut-off date to make reservations is on or before, December 30, 2022; unless the room block sells out beforehand.