Overall we had a great stay at the Holiday Inn Lisbon Continental.
Clean, comfortable, easy to find and super convenient for travel. Only a 10 minute walk to the Metro Line to downtown/ airport, or the Train to Sintra.
Dining options in the area are a bit limited, but suited our needs.
The breakfast buffet was good and well worth paying the lower up-front cost with one exception, on our last day we needed to leave early to the airport so we ordered a 'breakfast box' which was NOT worth it. It included an apple, juice, water and a very plain sandwich with literally just a slice of cheese (no butter or mayo or anything else). We had actually asked for 'no' cheese with one box. Obviously someone misunderstood our request. So this was a let down at the end of our trip, but a minor blip in the big picture.
Also one of the elevators was not working while we were there, and one day, two were out of order which was a pain.
But these are temporary issues.
Despite all this, we would stay here again for sure.