The Apartment of Luis is really nice to stay. You are within walking distance to all the imported attractions but it is still quiet. You have everything you need in the apartment and more. A big bathroom, good beds, a fully equipped kitchen, nice sofa, we even had some welcome goods from Luis so we would have something to eat in the morning.
Luis as your host is very kind and helps you with a lot of great recommendations so we had so good local food :) When we come back to Sevilla we would definitely stay there again.