Originally Posted by
TommyC80
That is incorrect. Only the Ritz-Carlton Rewards credit card (the one with the $395 annual fee) earns 5x points on RC spend. If the OP does have this card, then he will earn 5x points on all of his spend during this stay.
You can buy Marriott Gift Cards that qualify for Marriott spend + other purchase bonuses and use them to pay for folio charged expenses etc at RC's.