Walmart? You know Walmart and it’s not all that different in Playa del Carmen. However, there is a Mexican alternative called the Mega or Mega Market. It’s a big store, clean, and well stocked. It’s more than groceries; you will also find a beer, wine, liquor including Mexican Tequila, pharmacy, bakery, deli, hot food service, pizza shop, coffee shop, appliances, electronics, and a decent selection of packaged hardware.
Here’s a video to explain more: