Wow you even know what Stongbow is!
Thou is truly all knowing.
Hmm, yes, cider is very hard to find in Mexico. I've picked it up in Mexico City, one was a tasty scrumpy like affair from the north of Mexico, and the other a fizzy yet quite drinkable offering from Spain.
The 'La Europea' store would be the most probable source in Q-Roo.
Failing that, buy some apple Tango and lace it with vodka