I would very highly recommend staying at Maria's place. The place is an excellent neighborhood really at the center of everything in Seville. The place is really unique, terrace views are incredible, it's all very well decorated, plenty of space, plus internet, washer, espresso machine, etc... It was also stocked with coffee, teas, waters, breads, nuts, and wine for our honeymoon. They really went above and beyond and it was greatly appreciated! Also their handmade booklet with local recommendations is something that you should definitely utilize - we loved the top tapas suggestions. Seville may be my new favorite food city. Someone was there waiting for us to check in and they were very responsive to any questions we had. Stay there!