You will need a valid passport and Mexico will not allow travel if your passport is set to expire within 6 months of your travel date.
You can customize many details of your stay - please use the link to explore your options! https://www.unicohotelcollection.com/riviera-maya/personalize-your-stay.htm
Download the app before you go! PAM Hotels in the app store. In the app you can check out the daily activity schedules on the property, make dinner reservations, order room service and much more!