The Crystal Globe is the first room the player will come across when entering the Iceberg Cavern from Lower Ice Cave 3. It is named for the ice formations on its walls, all of which resemble crystal formations, especially resembling quartz.
A passageway in the back of the Globe leads to the Hall of Radiance, but in order to gain access to this passageway, the player must blow the Sea Whistle near the entryway in order to enrage the Globe's resident Leopard Seal into ramming a formation of ice crystals that are blocking the way. This will break the ice crystals, and the Leopard Seal will continue its rounds around the Globe without further engaging the player as soon as the ice is broken.
Other than the single Leopard Seal that makes its home in the Crystal Globe, there are no forms of life here. However, in the passageway that leads to the Hall of Radiance, there are multiple zoom-mode spots that are home to several small forms of sea life.