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Haus des Meeres

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The Haus des Meeres (House of the Sea) is a unique attraction - an aquarium housed in 10 floors of a World War II flak tower. Visit the sharks and the sea turtles and watch the piranhas eat their lunch - don’t worry, you’re not on the menu! A popular destination for local families as well as tourists, the aquarium gets busy on weekends and during holidays, so book your tickets in advance to avoid waiting in long lines.
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4 tips for visiting the Haus des Meeres

Sharks eye | Photo: Flickr, Michael Pollak - CC BY 2.0
Watch out for shark diving (Haitauchen) on the schedule of events and enjoy looking on as one of the keepers dives with the sharks. The dive will be narrated by another keeper, who’ll let you know all about the sharks at the aquarium and what the diver is doing to look after them and their tank.
Panorama of Vienna | Photo: Flickr, tribp - CC BY 2.0
Make sure to enjoy the fantastic view of Vienna from the top of the tower! In sunny weather, you can even enjoy a coffee on the terrace, but make sure to bring a hat and scarf during winter.
Many visitors will head straight for the Atlantic Tunnel and work their way up, one set of stairs at a time. You can avoid some of the morning crowds if you take the elevator to the top and work your way down. You’ll also avoid climbing up so many stairs! Make sure to find the second elevator which can take you from the 9th floor to the 11th, which is where you’ll find the viewing platform.
If you can leave coats in a locker or use the coat rail then do - walking up the stairs can leave you feeling a bit warm, and the tropical zone is also heated to feel like a rainforest, so you won’t need them.
Haus des Meeres - Aqua Terra Zoo | Flickr: Andrew Nash CC-BY-SA 2.0

Haus des Meeres: Zoo in Vienna's sixth district

Hammerhead sharks on the tenth floor, fish from the Atlantic on the first floor, but also calicoes, lemurs and a giant tortoise in the Madagascar area, new since 2020. Even Komodo dragons live in the House of the Sea - Aqua Terra Zoo in Vienna.
Jellyfish in the Haus des Meeres | Flickr: Josef Laimer CC-BY 2.0


The many themed areas of the House of the Sea include over 10,000 animals on around 5000 m². Besides the Schönbrunn Zoo and the Lainzer Tiergarten, it is the third zoo in Vienna.

Atlantic Tunnel

On the first floor, you can walk through the 500,000-liter Atlantic aquarium by means of a tube. This way you can get very close to sharks, jellyfish, rays and perches.


The surf reef adventure aquarium with its tropical fish stands out in particular: here, even the smallest visitors can put their heads in diving helmets through the aquarium floor to observe the colorful little reef inhabitants.

Artificial Stalactite Cave

Nocturnal animals, centipedes, cave fish and scorpions: in the darkness of this grotto lives many an interesting cave dweller.

Other Areas

More than just marine animals: The glass terrarium section, tropical house and crocodile park is home to snakes, lizards, insects, primates, birds and crocodiles.
Frog in the House of the Sea

Tips for visiting the Haus des Meeres

Please don’t Feed the Animals!

Their diets are strictly controlled by their keepers to make sure that they’re healthy. The monkeys are also especially good at stealing any food which is in open handbags or in the hands of visitors, so make sure any food you have with you is safely closed or wrapped up and hidden from view. You can also check the timetable for the times the keepers feed the animals so you can learn more about what they eat.


There is no guarded checkroom, but jackets and backpacks can be deposited in the area of the store for 0.50 €. There is also a coat rack that can be used. Large items such as suitcases, strollers and bicycles cannot be left in the store due to space limitations.


Each floor of the House of the Sea can be reached by elevator and is wheelchair friendly. Guests who rely on a wheelchair are allowed to bring one companion into the attraction free of charge. Due to safety regulations, only a maximum of three wheelchairs are allowed in the building at any one time.
Flak Tower | Flickr: slinz0 CC-BY 2.0

Remember the Inside

Since the Haus des Meeres is located in one of the flak towers built by the Nazis, which served as an air defense during World War II, the exhibition Remember the Inside sheds light on the history of the building. Remember the Inside can only be visited as part of a guided tour, which is led by a historian and offers more detail on the history of the Flakturm during World War 2. Originally, the building was 47 meters high and has concrete walls that are 3.5 meters thick at their thickest point. In the 1960s, the basement floors were used as a youth hostel and other floors were used by the Vienna Fire Department. Since 1957, the Haus des Meeres (House of the Sea) settled in the building and has since expanded to even more space.

Other attractions around the Haus des Meeres

What to do around the Haus des Meeres?

The Haus des Meeres is located in the Esterházy Park, which has a children's playground and a climbing wall open in summer. The Torture Museum is also located here. The Haus des Meeres is a 10-minute walk from the Museumsquartier Wien where you can find, among others, the ZOOM Children's Museum, Leopold Museum and the MUMOK.

Frequently Asked Questions

Do we need to take a guided tour?

Information is given on boards and digital screens in both English and German, so it’s unlikely you’ll need a guided tour of the zoo or aquarium areas. Groups of 20 people or more can arrange a guided tour free of charge (regular entry fees apply). The only part of the tower you need a guided tour to visit is the exhibition “Errinern im Innern” (Remember Inside), which is led by a historian who will teach you all about the building of the flak tower and its uses during World War II. Read more.

How long does a visit to the Haus des Meeres take?

At a brisk pace, 2 hours are enough, with children or if you want to look around more closely, 3 to 4 hours are necessary to appreciate the many sections. Read more.

General information

opening hours

The Haus des Meeres is open daily from 9 am to 6 pm. It is also open until 9 pm on Thursdays. Last entry is 30 minutes before closing time. The roof terrace and staircase also close 30 minutes before the zoo closes.


Haus des Meeres - Aqua Terra Zoo
Fritz-Grünbaum-Platz 1
1060 Vienna

how to get there

The Haus des Meeres can be reached via a short walk from the U-Bahn station Neubaugasse (U3) or via bus lines 13A, 14A, and 57A to the stop ‘Haus des Meeres’. Parking is available in the WiPark parking garage in Windmühlgasse, a discount is available for visitors to the Haus des Meeres, just pick up a coupon from the ticket counter.


Official site:


Tickets for the Haus des Meeres cost €21.90 for adults, and €16.40 for children aged over 15, students under the age of 27, pensioners, those on national service, and disabled visitors. The special price for students and pensioners is only available on weekdays which are not public holidays. Tickets for children aged between 6 and 15 cost €9.80, and tickets for children aged between 3 and 5 cost €6.50. Children under the age of 3 can enter free of charge, and all children under the age of 14 must be accompanied by an adult. You can also buy a ticket for just the stairs and the terrace, these cost €5 for all visitors over the age of 4, plus a €10 deposit for the ticket card.
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