The phrase "a lounge where" is correct and usable in written English.
It can be used to describe a specific type of place or setting, typically indicating a relaxed or comfortable environment.
Example: "We decided to meet at a lounge where we could enjoy some drinks and have a quiet conversation."
Alternatives: "a place where" or "a venue where".
We created the A Lounge, where from 5 p.m. to 1 a.m. residents can go for a drink; it's very private.
But unlike other latter-day takes on Polynesia in the city, Painkiller is a lounge where kitsch is an element of d?r, not a principle of mixology.
In an advance tour, Marc Scorca, Opera America's president, proudly pointed out a lounge where singers, directors, accompanists and opera executives can schmooze.
Among the more rarefied offerings planned is a lounge where chauffeurs can pass the time while they wait for their passengers.
Guests on the four Club Floors below the penthouse have access to the services of a concierge and a lounge where free meals, snacks and drinks are served.
Sometimes it's small stuff: the perfectly healthy man who presents a sham doctor's note so that his 60-pound pooch can be designated a "service dog" and thus accompany him into a lounge where pets aren't allowed.
Because he travels a lot, Grady says he often uses the software on his BlackBerry to send a message from an airport lounge, where a private voice conversation would be impossible.
In the basement, they found a special treat: an old marble fireplace in a smoking lounge where actors and audiences would mingle after performances.
One space is decorated with inflatable bubble furniture, another has a zoo theme and a third is an outdoorsy lounge where hammocks hang from the ceiling.
A dim stairway leads to a basement lounge, where bartenders in exposed black bras greet patrons.
Dr. Booth asks to speak with Colonel Karl; after insisting, he is led to a basement lounge, where he looks at an aerial photograph of the school and the familiar brochure.
