tldr; smaller than it seems, pretty basic, alright for short stays, great location.
Mariana and Dominic have an apartment in an amazing location- within walking distance of a wonderful produce market and a beautiful market full of restaurants. Even better, walking down the streets nearby you'll find a ton of diverse restaurants, bakeries, a park with a castle in it, street artists, and many many shops. The apartment itself is clean, in a nice building (with small rooftop pools) with a great reception staff that went above and beyond to help us. The living room/kitchen is NOT like the photos, though. It is much smaller (more square than rectangular), and they don't have that red couch. Instead there is a tiny black couch that can only fit one person. Also, their stools are different at the kitchen counter (though there's still two, they work fine). The bedroom is nice, the bed is soft with good sheets, but the curtains on the bedroom window are like velcro-ed on and very difficult to put back on if you remove them. The bathroom is very small, hidden behind the bedroom door when it's open, towels fall right off the wall hooks, and the toilet seat is coming off, so it moves about. It would be cramped for more than one person for longer stays, but it worked alright for just a couple days. Don't expect a lot of amenities in the kitchen, but there's enough for basic cooking although what's there is pretty beat up. Mariana and Dominic offer thorough recommendations about the surrounding area.