adventurer, check your 'rewards activity' in your Marriott Rewards profile. You should see your free stay e-certificates listed there. I am enrolled in the latest 'earn a free night every second stay' (up to two free nights) promotion, and when I earned my free nights, they posted within just a couple of days of earning them. Hope this helps. If you still don't find your e-certs, you may want to contact Marriott's elite customer service line.