Karisma is offering a 2017 promo for its Generations Riviera Maya Resort–the offer states that families can book a 3-bedroom suite for the price of a 2-bedroom suite when grandparents come along on the vacation.  While this deal is supposed to be for 2017, there may be some blackout dates or restrictions; contact this resort for more details or phone 1-866-666-9352.  (For new bookings only and only for the US market).