BookIt offers 5-Night Stays for Two at the All-Inclusive Royalton Riviera Cancun Resort and Spa in Puerto Morelos, Mexico, bundled with $150 Resort Credit with prices starting from $1,407.01 via coupon code "1X50", as provided by ShermansTravel. (It's the top offer on the page; we found this rate on October 23.) At $281 per night, that's the lowest price we could find by $97, excluding the credit. Additional taxes and fees apply. This 4-star resort has an Expedia rating of 80% based on 245 reviews. Book this travel deal by October 31 for stays through December 19.