If you are looking for a good location to visit Belem area, this is definitely a good spot. About the flat itself, there are a couple of notes worth mentioning to avoid disappointment: 3rd floor without elevator can be a problem if you don't travel light or have very young kids; bathtube photo can lead you to think about an hydro-massage but you can use it just as a regular one; maybe we got bad luck but the balcony couldn't be used due dry birds' poop everywhere; my kid likes to play on the ground but I had to keep him away from the dirty carpet in the living room; if you need more than a bed, be aware that the couch is not slightly comfortable and it's noisy at slightest move. Iron for clothes doesn't work. This are the key points from my experience but if you travel without kids and just need a base to crush over in the evening then maybe a good option.