Thank you for choosing Marriott Ottawa! Special group rates are available (Thursday, September 5, 2024-Monday, September 9, 2024). Book by (Thursday, September 5, 2024); bed type not guaranteed. Cancellation Policy 48 hours prior to arrival or penalty to be charged. For any changes to your reservation, kindly contact our Group Housing & Reservations coordinator, Andre-Michel Rivet, via email at reservations@ottawamarriott.com or by phone at 613.783.4225 ext 4665