One of Penguin’s most famous hangouts is his own nightclub — the Iceberg Lounge. At one point, Penguin became exhausted with the stresses of constant criminality and decided to run a legitimate business in the form of the Iceberg Lounge. However, birds of a feather tend to flock together. Penguin’s underlings and criminal associates stayed in his employ and the mobster would again dabble in criminality. Eventually, the Iceberg Lounge became a front for the Penguin while his illegitimate businesses continued to occur in the dark corners of Gotham City.
Whenever Batman sought answers from the Penguin, he knew where to look. Additionally, the Iceberg Lounge attracted Penguin’s associates and allies, which often included other famous super villains in Batman’s rogues gallery. While it might’ve been suicide to enter the criminal safe-haven, that never stopped Batman from doing so, bold as he may be. In the video game “Batman: Arkham City,” players have the opportunity to visit the Iceberg Lounge in the virtual world. In the narrative, Penguin has actually captured Mr. Freeze and is wielding his freeze gun. Players have to confront the Penguin in the Iceberg Lounge as he attempts to take down Batman with the freeze gun.
After the Flashpoint storyline of 2011 that altered some of the DC universe’s continuities, Penguin rebrands the Iceberg Lounge as the Iceberg Casino. As the name would imply, it is now a casino, as well as a hotel, that operates just outside of Gotham. Just like the nightclub of the past, however, it was always an attraction for the seedy denizens of Gotham City.