The Oceanarium in Barcelona: underwater tunnel with Mediterranean sharks

Una inmersión que no olvidarás

Visitors photographing sharks, rays and Mediterranean fish at the Barcelona Oceanarium.

Make your special moment unforgettable under the gaze of the sharks

The longest underwater tunnel in Europe

Technical data

The Oceanarium at L’Aquàrium de Barcelona is the main tank of the centre and one of the most iconic spaces on site. In fact, hundreds of fish coexist in this great aquarium, designed with a transparent tunnel over 80 metres long, allowing visitors to immerse themselves in this blue universe.

Furthermore, thanks to its immersive design, visitors can enjoy a unique underwater experience in Barcelona, with a 360° view of sharks and large fish. For this reason, L’Aquàrium stands as one of the most recognised aquariums in the world.

With a volume of 4.5 million litres and depth of 5 metres, the Oceanarium recreates a marine ecosystem on a grand scale.

Check the shark feeding schedule

Visitors experience an immersion as a shark swims at the bottom of the tank at L’Aquàrium de Barcelona.

Biodiversity and conservation: the fauna of the central tank

Experience the Mediterranean from within

The Oceanarium, with its 36-metre diameter, recreates the open waters of the Mediterranean. The habitat hosts an astonishing biological richness .

Technical DataDetail
Temperature14 – 18 ºC
ZoneMediterranean synthesis
LightingHigh

Beyond offering an immersive journey, this space reflects the mission of L’Aquàrium to protect the marine ecosystem. This commitment is realised through research and responsible management and marine environmental education.

Sharks and featured species

Below, discover some of the most emblematic species of our seas.

Sharks:

Pelagic fish that dominate the water column:

Benthic organisms

Complete your visit with spaces such as the shark egg nursery, where the scientific and conservation work carried out in our facilities is showcased.

Would you dare swim with sharks?

Visitors walk through the acrylic panel of the Oceanarium at L’Aquàrium de Barcelona, surrounded by sharks and Mediterranean wildlife
The Oceanarium at L’Aquàrium de Barcelona features a very long underwater tunnel where visitors observe sharks, rays and Mediterranean fish in an immersive experience.

Special events and activities among sharks: choose the perfect option for you

Spaces with personality

It is not only one of the best marine panoramic views in Barcelona, but also a space unique that brings the aquatic environment closer to the public in an exciting and safe way.

Divers unrolling a personalised banner at the bottom of the aquarium surrounded by rays and bubbles during an event.
One of the most exclusive activities allows divers to interact with the environment to deliver personalised messages or promote brands at the heart of the Oceanarium, creating an unforgettable visual impact for attendees.

Frequently asked questions

Walking through this transparent tunnel in the aquarium is one of the most recommended activities in Barcelona. If you still have questions, we are here to help.

How long does the visit last?

It is a must-see stop on your visit. The walk through the underwater corridor lasts approximately between 20 and 40 minutes, although a full visit to the marine centre can take between 2 and 3 hours.

Where is the Mediterranean installation?

This large tank with marine wildlife is located inside L’Aquàrium, in the heart of Port Vell, one of the most visited areas of the city. Find out how to get there

Is the Oceanarium suitable for children?

Absolutely! The shark area is designed for all ages. It is a fully accessible, safe and one of the favourites among families, even for those visiting with pushchairs. It is the most surprising experience and is designed for your complete comfort.

What are the dimensions of the main tank?

This installation has a diameter of 36 metres and a depth of 5.2 metres, with a capacity of 4.5 million litres of salt water.

How long is the underwater tunnel?

Stretching over 80 metres, this journey beneath the sea is one of the longest in the world. It allows you to walk forward surrounded by sharks, rays and a wide variety of fish.

Which sharks live in the Oceanarium?

You can observe various specimens of sharks ; especially the sand tiger shark and the grey shark.

Discover more about the Mediterranean Marine Centre