Bar TrEs Lisboa
Tr3s (read it as "três", the portuguese word for "3") is the largest bear bar in Lisbon. It opens at 4pm everyday, which makes it the perfect spot for an afternoon drink.
There is an outside seating area allowing you to enjoy the hot Lisbon afternoons and evenings. It also offers free WiFi.
They often organize special nights and events. The clientele is 99% bears, daddies, cubs and chasers. Very popular on friday and saturday nights.