Re: Mercadona supermarket
Don't worry if it's closed just head for one of the HiperDino supermarkets. There are several in town.
Re: Best tapas bar.
El Almacen del Gormet in the Campanario. Tostada con hamon y queso is one of my favourites
Re: sky football
I think you will be hard pressed to find an English bar that is not showing football.