Haus des Meeres, Public aquarium and zoo in Mariahilf, Austria.
The Haus des Meeres spans eleven floors in a concrete tower, housing over 10,000 marine creatures, tropical animals, and a diverse collection of reptiles.
The thick walls were built during World War II as a military defense structure. Twelve years after the war ended, the tower opened its doors as an aquarium.
The facility contributes to Vienna's educational landscape by offering specialized courses in reptile care and conducting research on marine species conservation.
Located near Mariahilfer Strasse, the facility provides extended visiting hours on Thursdays until 21:00 and includes a rooftop restaurant with panoramic views.
On the outside, only a few details hint at the original purpose, while inside the concrete construction remains visible. On the roof, an open area allows views over the city rooftops.
Location: Mariahilf
Inception: 1957
Accessibility: Wheelchair accessible
Operator: Haus des Meeres Betriebs GmbH
Opening Hours: Monday-Wednesday, Friday-Sunday 09:00-18:00; Thursday 09:00-21:00
Email: office@haus-des-meeres.at
Website: http://haus-des-meeres.at
GPS coordinates: 48.19770,16.35290
Latest update: December 5, 2025 22:24
Marine museums present the history of seafaring, scientific exploration of the oceans, and the diversity of marine life. These institutions display ship models, nautical instruments, aquariums with living sea creatures, and exhibitions about oceanography. Visitors learn about historical voyages of discovery, modern ocean research, and the protection of marine ecosystems. Notable examples include the Oceanogràfic in Valencia with its various marine biotopes, the National Maritime Museum in Amsterdam with its collection on Dutch naval history, and the Oceanographic Museum of Monaco, founded in 1910. The Maritime Museum of San Diego preserves historic vessels, while the Museum of Oceanography in Sopot documents Baltic Sea research. These museums combine scientific education with the fascination for seas and oceans.
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