I am renting out a completely refurbished open space apartment in an old building in downtown Lisbon.
The flat is located on the ground floor, it is 45 m2 and has a a mezzanine. It can accommodate up to 3 people and includes a fully equipped kitchenette (including a stove-oven-microwave, a fridge, and a dishwasher), air conditioning, WiFi, satellite and cable TV.
The location is perfect, in a quiet area near Baixa and Avenida de Liberdade, as well as Marquês do Pombal, Restauradores and Rossio. You can reach several interesting locations by foot, from the Castelo de S. Jorge to the Alfama area and the famous Terreiro de Paço. If you're interested in Lisbon's best nightlife, you'll be glad to know that both Bairro Alto and Cais do Sodré are nearby too.
Just a few steps away, you'll find the nearest subway stop, Avenida. In the neighborhood there are several restaurants and shops including convenience stores (drinks, food and baby products), small fresh food markets, some are open until midnight.