First of all, our host was awesome. We missed our flight and ended up not getting to the apartment until midnight (twelve hours later than when we were supposed to) and our host still met us, provided us a ton of helpful information and made us feel welcome.
The apartment is conveniently located next to a TON of public transportation, I am talking buses, metro, train, rail, all of it. You can get anywhere. There are two grocery stores within 6 minutes of walking. Belem is 35-ish minutes walk away, downtown Lisbon is closer to 45-60 minutes away, but you can catch the bus in. There are a lot of cafes and restaurants around. The LX factory (if you want to go) is about 6 minutes away.
The apartment also has what you need, they provide so much stuff it makes you feel like home. A ton of cooking equipment (we cooked a lot), salt, tea, coffee, cookies, wine, milk, and juice were also provided which was a SUPER nice touch and made us really feel welcomed.
Overall great experience.