With gorgeous beaches and signature turquoise waters, Cancun is one of the top beach destinations in the world. Vacationing honeymooners, partying spring breakers, and families with kids all flock here for a warm-weather getaway. If you're looking to take a trip to Cancun sans children, you've come to the right place. We've visited hundreds of resorts and hotels in the region, and found the 10 best adults-only resorts in Cancun.