Me, my husband and a couple of friends had a wonderful experience here. We did not get to meet Garrett, but his friend Guilherme welcomed us and explained everything. Even more, Garrett also prepared several guides for restaurants, pubs, shopping and attractions that were much more detailed than official travel guides and was always in contact. The location is perfect as everyone described, it feels very safe and you will hardly ever need to take buses or even walk more than 5 minutes for anything, and even when you do, the bus stop is 1 min down the street. The apt itself is lovely, the two rooms have a good size and confortable beds, the shower is good (the shower head was broken/sliding down during our stay and it took a couple of days to be fixed; Garrett kept us up to date on the status and fixed it when the part arrived) and the views are fantastic. Reading the other comments about the noise, we packed ear plugs, but I did not need to use it at all; if you keep the windows closed, the noise level is pretty acceptable for downtown. When the room got warm, we simply used the fans provided.
We were very satisfied with our stay and glad we chose this location as our home in the city.