Amex Membership Rewards Transfers To Marriott Rewards by Sam Helmy August 27, 2018 27 You can now transfer American Express Membership Rewards to Marriott Rewards. Points transfer at the same 1:1 ratio as they do to Marriott Rewards. The addition was to be expected as Starwood was a long-term partner of Amex, and as the programs merged it made sense to add Marriott.
