You can check availability here
If you go to the above link and enter your travel dates, it will come up with MANY different types of packages. You must scroll ALL THE WAY down to the bottom for the last offering which is the all inclusive package.
"ALL INCLUSIVE PKG
all inclusive plan includes room and unlimited food and snacks and choice of restaurants offering an alternative a la carte and buffet selections. includes all alcoholic and non alcoholic beverages at bars and restaurants taxes and gratuities. some surcharges may apply to premium items and brands"
Children 11 yo and under are free of charge
Children 12 - 16 yo are $55 pp when sharing the room with parent(s)