Here after I included a selection of supermarkets which are close to the apartment and can be useful to make your daily shopping
Mercadona (about 500 m)
Calle L'estatut, S/N, 03590 Altea, Alicante
Likely, the more popular supermarket chain in the region, very good prices and quality.
In the supermarket, they also have a kitchen where they prepare daily a variety of foods to take away. Paella, fideua, and other local typical food is available to take home.
You can also buy online, they usually deliver one day after the purchase.
See the web site.
Mas y Mas (about 500 m)
it is also located very close to the apartment in Avinguda Rei en Jaume I, 30, 03590 Altea, Alicante.
It is also a good option, there are some bars and cafeterias in the area, so, it is very convenient for last minute shopping.
Altea Supermarket (about 100 m)
Russian managed neighborhood supermarket, this is a quite convenient place to also buy last minute items. It is basically always open. Prices are ok and they have a big variety of drinks, bread and other items you may need.
It is located in: plaza de los deportes, at Carrer la Tella, 6, 03590 Altea, Alicante