The Oceanarium is an oceanarium in Lisbon
. It is located in the Parque das Nações, which was the exhibition grounds for the Expo '98.
The Lisbon Oceanarium’s conceptual design, architecture, and exhibit design was led by Peter Chermayeff of Peter Chermayeff LLC while at Cambridge Seven Associates. It is said to resemble an Aircraft carrier, and is built into the pier on an internal sea. Chermayeff is also the designer of the Osaka Oceanarium, the World
's largest aquarium, and many other Aquariums around the world