Esteban's place is wonderful. The guest house is airy and minimal but totally comfortable. Beautiful! It has it's own very spacious outdoor area surrounded by lovely gardens and a limestone terrace. It is completely private, with easy parking, a lovely walkway. We have stayed here twice and it feels like you are part of the neighborhood. And the neighborhood is ideal-- a short bike to Barton Springs and local restaurants, close to downtown. The best birds in the morning.
Plus Esteban and Olive (small, terrier-esque) are great hosts. So chill, and helpful if you need anything.