Hola! Spain is pretty well accessible, I think one of the most accessible places in Europe. We have been last year to continental Spain and also Canary Islands and I was surprised to see even the smallest coffee shops to have a lift and ramps and accessible toilets. I am organizing holidays there, if you will need any help, feel free to reach out. (You can also check http://www.accessible-horizon.com). Enjoy your holidays there, you will for sure have a lovely time!