First off, Maria is a top notch host! She was extraordinarily response to any questions or requests we had. She communicated with us before and during the trip to make sure we had everything we needed and that we were comfortable navigating around Sevilla. She is very kind and a loaded with information and suggestions.
The apartment was also top notch. It has everything you need. It was spacious and very beautiful inside. It is also in a great location. The Santa Justa train station is a 15 to 20 minute bus ride. The airport is also accessible via the bus (we found that out accidentally). All the must see spots are walkable and there are plenty of restaurants and shops in the neighborhood. The neighborhood reminds me so much of Old San Juan. A must stay while in Sevilla!