BookIt offers 5-Night Stays for Two at the All-Inclusive Occidental Tamarindo in Guanacaste, Costa Rica, with prices starting at $865.84 via coupon code "SAVE50", as provided by ShermansTravel. (It's the top offer on the page; we found this rate on December 3.) At $173 per night, that's the lowest price we could find by $88. This 3-star hotel has an Expedia rating of 82% based on 309 reviews. Book this travel deal by June 12 for stays from August 1 through December 23.