We (2 total) stayed here for four nights after a weekend in Paraty and Goya/Armando were incredibly helpful, responsive, and attentive throughout our arrival, stay, and departure - including thru a few tech glitches on our end.
The studio is in a perfect location - two blocks from Ipanema beach and a metro stop, just a few more to the Lagoa, walking distance to Copacabana, and surrounded by dozens of options for coffee, juices, drinks, dinner, small bites, etc. We ended up taking taxis to the main sights (Pao, Christ the Redeemer, Santa Teresa, Centro, and Lapa) but there are multiple bus and metro options nearby. Goya has a stack of guidebooks, too, for those of us who forget them.
The studio itself was very clean and no-nonsense. Wifi worked well, lots of outlets, TV, comfortable full size bed, extra blankets, and A/C. We never heard the bar downstairs, which seemed to be a local hang out spot for ex-pats and serves delicious Mexican food. While appropriately sized for a studio, the shower pressure is fine and water lukewarm.
We absolutely recommend Goya's apartment and will stay here again. Can't beat the location or hospitality, especially at this price!