On the other side of Mexico on the Yucatán Peninsula, Playa del Carmen has long been a haven for sun-thirsty travelers. Its vibrant coral reefs, palm-lined beaches, and rocking nightlife scene attract Spring breakers from all over the country each year. And bonus: for Spring 2018, research from Booking.com found that the popular tropical destination is going to be 20 percent less expensive than in 2017. So take advantage, Spring breakers!