Lounges are some of the most common rooms, and at least one will appear in any hideout. They tend to be expansive and contain plenty of Obstacles. Lounges may be Bugged for a Surveillance Quality bonus of +2% - a negligible amount.
As with all other rooms, the layout of a Lounge is randomly generated when the Hideout is first created. However, most Lounges tend to contain one or more of the following pieces of furniture:
Each piece of furniture may or may not appear in each Lounge you encounter. There may be more than one of each, as well.
Note that Paintings will always appear up against the south wall, while Stereos always appear up against the north wall. Chairs, Plants and Tables only appear away from the walls. Couches can sometimes appear overlapping a wall, due to a programming glitch.
A Lounge is a good place to hide from enemies, gives that it usually contains lots of furniture huddled together. If you're looking for a fight, or trying to stay low, head for a Lounge.