Fantastic location, easy to walk or take transit anywhere. Great nearby shops, cafés, restaurants, etc. (definitely try Cruzes Credo downstairs). Although a touristy area, it felt quieter than many parts of town. The apartment itself had all the necessities, and was quite clean and comfortable. And the view was unbeatable.
Communication and coordination with the hosts was impeccable, and they went out of their way to accommodate our arrival early on Christmas morning.
The only negative for some might be the stairs, but they were only an issue for us when we arrived with our luggage. Overall, this is a great value for visitors to Lisbon who want a comfortable base for exploration.