The super mercado (super market) in Montezuma has pretty much everything you would expect to find in a grocery store. Cold beer, liquor, bread, bug spray, and whatever else you might need
What to buy: Grab a 6 pack of cold Imperial or Pilsen for a day at the beach!
What to pay: I expected the prices to be higher since Montezuma is a bit remote but found that everything was prices pretty average compared to the supermarkets in the bigger cities.
You may notice that around 9 am the dreadlocked locals prepare their tables for a hard day at work selling jewelrys and other knick knacks. You may find a lot of these interesting and faily cheap. Have a look at each of their tables, they are much less imposing then shopkeepers