BookIt via ShermansTravel offers 5-night stays for two at the All-Inclusive Occidental Tamaridno in Guanacaste, Costa Rica, with prices starting at $742.50 via coupon code "10PCT". (It's the top offer on the page; we found this rate on June 3.) At $149 per night, that's the lowest price we could find for this package by $326. This 3-star hotel has an Expedia rating of 81% based on 333 reviews. Book this travel deal by January 7 for stays from April 1 through July 23.