In the vibrant city of Vienna, where history, art, and music meet at every corner, there lies an unexpected treasure: the Haus des Meeres, or “House of the Sea.” Located inside a former World War II anti-aircraft tower in the heart of Mariahilf, this unique aquarium and zoo offers a journey across the world’s oceans, tropical forests, and coral reefs — all within the walls of a 45-meter-high concrete structure.

The experience begins the moment you step inside. The sound of trickling water and the shimmer of colorful fish instantly transport you far away from the city’s elegant streets. The Haus des Meeres is home to over 10,000 animals, representing more than 300 species from oceans, rivers, and rainforests around the globe.

Each floor invites visitors to explore a new world. The tropical house is a true highlight — a warm, lush environment where birds fly freely above your head, turtles glide past, and monkeys swing through the trees. It feels like stepping into a living rainforest, full of sound and color.

Then comes the aquatic journey. Massive tanks filled with vibrant coral reefs, sharks, moray eels, and graceful rays offer a mesmerizing view of marine life. The Atlantic Tunnel, where fish swim all around you, gives a sense of being underwater, surrounded by life and movement. Kids and adults alike are left in awe by the beauty of these creatures and the peaceful rhythm of the sea.

But the Haus des Meeres is not only about marine animals. There’s also a fascinating terrarium section, where snakes, lizards, and frogs showcase the diversity of the reptile world. The insect displays reveal the complexity and importance of even the smallest creatures on our planet. Every exhibit is carefully designed to be both educational and engaging, reminding visitors how delicate and interconnected nature truly is.

One of the most impressive parts of the visit is the Panorama Terrace at the top of the tower. After exploring the aquatic and tropical worlds, you can take the elevator to the rooftop café and enjoy a breathtaking 360° view over Vienna. From this height, you can see the city’s famous landmarks — the Karlskirche, St. Stephen’s Cathedral, and the Vienna Woods in the distance. It’s the perfect spot to relax, have a drink, and reflect on the incredible journey you’ve just experienced.

The Haus des Meeres is more than an attraction — it’s a symbol of transformation. A building once meant for war now houses a world dedicated to life, learning, and wonder. It’s a place where families, travelers, and nature lovers come together to discover the beauty of our planet and the importance of protecting it.

Whether you’re visiting Vienna for art, history, or cuisine, make sure to add this destination to your list. The Haus des Meeres offers something truly different — a blend of science, adventure, and emotion that stays with you long after you leave.

🧭 Visitor Information

  • 📍 Location: Fritz-Grünbaum-Platz 1, 1060 Vienna
  • 🚇 Access: Metro U3 (Neubaugasse) or Bus 57A (Haus des Meeres stop)
  • ⏰ Opening Hours: Daily from 9:00 AM to 6:00 PM (Fridays until 9:00 PM)
  • 💶 Entrance Fee: Around €22 for adults, €14 for children (discounts available)
  • ☕ Tip: Don’t miss the rooftop café for stunning panoramic views of Vienna