If you're aged 18-30, you can Au Pair in Spain for 3 - 12 months
This job is open to girls who wish to experience Spanish life and culture as part of a Spanish family, while spending 25-30 hours per week with the children & speaking English with them, no housework is involved.

This job is open to males and females who wish to experience Spanish life and culture as part of a Spanish family, while spending 15 hours per week assisting and tutoring the family with English conversation and lessons. No previous experience is required.

In return you will receive your own room, and board seven days a week. Saturdays and Sundays are completely free. Your family will collect you from the arrival airport. This means that you will need money to spend on personal expenses like phone calls, clothing, entertainment etc and so you must budget accordingly.

You will not require a visa unless you stay longer than three months. If you want to stay longer than three months you must enroll in a Spanish Language class (at your own expense) for a minimum of 15 hours per week to get your visa.