7 Night Mayan Palace Cancun Add On Policy: The 7 Night Mayan Palace Cancun Resort Upgrade are for 2 adults and up to 2 children 12 and under. To book the 7-night resort stay, you must be 25 years old and either married, single or living together with a major credit card. If married or cohabitating, you must travel with spouse or significant other. Please note a $4-7 per night Environmental tax is charged at checkin-in. There is no timeshare presentation requirement