Hi!, yes i´ve been to Marbella and it is Ooooook! But of course it depend to wat hotel you go and how many things you gonna buy when strawling in the streets and markets....
pontoise
Yes, I've been to Marbella (my daughter lives there). Yes it is rather expensive, but there are some basic hotels that are affordable. If you want something cheaper (but nastier) try Torremolinos, Benalmadena or Fuengirola.