Ritz-Carlton Rewards offers a free Tier 1-3 night for members who complete two Ritz-Carlton hotel stays between July 1 and October 31, 2013. Members may earn two free nights during the promotion period.
Existing RCR members must register by September 30, 2013. New members to Ritz Carlton Rewards a of June 4, 2013 will automatically be registered for this offer.
Ritz Carlton Hotels and their Reward Tiers can be found here. Awards expire one year from date of issuance. The award night is not transferrable.
Marriott Rewards members are generally excluded from Ritz Carlton Rewards promotions. You can only be a member of one of these loyalty programs, either Marriott Rewards or Ritz Carlton Rewards.
This looks to be one of the best promotions available for hotel stays for travel over the next few months.