First of all, of course, it's the Mediterranean Sea. Spain is a peninsula, so there is plenty of sea here. Spanish are very friendly and hospitable people. Spain is a very distinctive and interesting country with the rich historical heritage. Compared to France or Italy, everything here is relatively inexpensive.
Local wines are wonderful and very cheep.
In this climate, vacation can last all year round. Entertainment infrastructure is growing rapidly each year. Presently, it is one of the main directions of Spanish economy and an area of large financial investments. Real Estate field is growing rapidly due to the low interest rates. Environment and Ecology in the Spanish vacation areas are wonderful.