I'm really far from the sea unfortunately... I'm in Extremadura at the west of the country, a climate extreme area but also with beautiful landscapes that I adore at the north of the region where I often go when possible.
Here some links with more info on this:
https://en.wikipedia.org/wiki/Extremadura
My favorite place to stay: https://en.wikipedia.org/wiki/Herv%C3%A1s