We stayed here for 5 nights with our toddler and had a great time, the walk up the steep cobbled streets was at first daunting but there is bus 737 that takes you within 5 minutes of the hotel.
The breakfast buffet has lots of variety and is refreshed constantly by the attentive staff, who also occupied out daughter when she was being less than cooperative.
On arrival to Lisbon we took the airport bus then a taxi from the Baxia (town centre) but it would have cost the same to have taken a taxi as the return journey only cost 10 euro including extra baggage.
The room was a little cramped as we had a cot in there as well but not a problem as we spent all day out sight-seeing and they stored our buggy/pram/stroller near reception. Day trips on the train to Sintra and Cascais were great.
I would recommend saying here without reservation, if you do then you will enjoy your trip, and that is not simply down to returning home with a £100 worth of free Molten Brown toiletries!More