The Oceanário de Lisboa is located in Parque das Nações, right off the Tagus River and close to key landmarks like the Telecabine Lisboa and the Vasco da Gama Tower.
Address: Esplanada Dom Carlos I s/nº, 1990-005 Lisboa, Portugal | Find on Google Maps
You can reach the Oceanário via public transportation, including the metro, train, and bus, or even drive to the venue.