There are different chains that have their supermarkets located all over the Costa del Sol. The supermarket hours in Mijas can be slightly different from one to the other but they generally operate on a similar timetable.
The supermarket hours in Mijas are from 9 am to 9 pm. Open from Monday to Saturday. Some open for special occasions also on Sundays. In Mijas you have different chains of supermarkets located over Mijas Costa and Mijas Pueblo. The major chains are Mercadona, Supersol, Mas and OpenCor. You even have a lidl in Calahonda!
These supermarkets have all you need. They have also a bakery part where you can have oven fresh bread. The fish counter had daily fresh fish and lots of promotions. Of course you will need to taste the specific Iberian hams. They are cut in front of you. The supermarkets have their own local products and international brands. They have adapted their offer to tourists and you can find pindabutter, Worchester sauce or even shortbread biscuits.
OpenCor is has the largest supermarket timetable in Mijas. They are open from 7 am to 1 am in the morning. Of course the prices are a little bit higher but at least you can get the necessities at odd hours of the day (and night). Lidl is a supermarket that has cheaper prices although they do not have a lot of international brands. The little supermarkets in the urbanization tent to have limited choices of brands but still offer a variety of products.
When going to the supermarket, you can take your own re-usable bag with you. They will of course offer you plastic bags as the cashiers but these are not for free. Extensive Parking is foreseen around all these supermarkets during their opening hours. They do tent to close off their parkings after closing time so this is not an alternative to leave your car if you go for a drink afterwards.
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