Meanwhile, at the family-friendly Margaritaville Island Reserve Riviera Cancun—where kids stay free—guests can enjoy up to 55 percent off, along with up to $1,000 in resort credits.

Located about 15 minutes north of Playa del Carmen, near the adults-only Excellence Riviera Cancun and its jazzier, more commercial sibling Dreams Jade, this proves a solid option in the middle of ...