At the heart of the Oceanário lies a massive 5-million-liter tank where sharks, rays, and barracudas glide through crystal-clear waters. Its 360° design gives you the feeling of standing inside the ocean itself.
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Enjoy the Ocean Sunfish at Oceanarium Lisboa—it's the world's largest bony fish, resembling a child's drawing as it rests on the water's surface. This rare sight is a unique feature of the aquarium, given the challenges in caring for these giant sunbathing rocks.
Keep an eye out for the aquarium's two massive spider crabs, affectionately nicknamed "King" and "Queen." These impressive creatures, with leg spans exceeding 3 meters, are the largest of their kind on display in Europe.
The central tank is larger than four Olympic-sized pools and is home to one hundred kinds of fish and other marine life. Being on two levels allows you to see it from various angles, allowing you to spot fish that might otherwise be difficult to notice.
Why visit the Oceanário de Lisboa
One of Europe’s largest and most immersive aquariums
Environmental education at the core
An architectural wonder floating on water
Innovative exhibits & cultural collaborations
Active conservation & research programs
What’s inside the Oceanário de Lisboa

Central Ocean Tank

Tropical Indian Ocean

Temperate Pacific Ocean

North Atlantic Zone

Antarctic Coastline

Forests Underwater by Takashi Amano
Architecture & design of the Oceanário de Lisboa

