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Centrally situated between Alexanderplatz and Museum Island, the Radisson Blu Hotel, Berlin is surrounded by the city center’s top attractions. One such attraction resides in the hotel lobby itself, the AquaDom, the world’s largest freestanding cylindrical aquarium. This towering centerpiece, teems with sea life, a stunning sign that you’re in for a special stay.

Location: Berlin
Nearest Airport:  Tegel Airport
Prices:  From £104 per room


For an unforgettable stay in Berlin, reserve the elegant Nikolai Suite. Offering stunning views of Red Town Hall, Nikolai Church and Berlin Cathedral, this spacious suite features a living room with built-in aquarium as well as a kitchen, bedroom, Jacuzzi bath and separate shower. Perfect for an intimate dinner or small business meeting, the dining room features a large oval table, hidden data sockets and 8 comfortable chairs. All Junior Suite amenities are included. The Nikolai Suite offers a connecting door to a Standard Room with a queen-size bed.


Perfect for guests planning an extended stay, these corner suites feature separate sleeping and living areas. Boasting lavish leather furnishings, a wardrobe and a well-equipped bathroom with separate shower, the Junior Suites invite guests to unwind and enjoy a memorable stay in Berlin. Enjoy stunning views of the Alexanderplatz TV Tower, Red Town Hall or Berlin Cathedral. Take advantage of all Business Class amenities, including a Nespresso® coffee machine and Free high-speed, wireless Internet. Five Junior Suites offer a connecting door to a Standard Room with a queen-sized bed.


Tailored to families that wish to share one room, these spacious corner rooms feature a king-size bed and a comfortable sofa-bed in a separate area. A well-equipped bathroom with separate shower, accessible from both sides, as well as two flat-screen televisions invite families to unwind and enjoy a memorable stay in Berlin. Enjoy expansive views of the TV Tower, Red Town Hall or the impressive Cathedral. High-speed, wireless Internet is included.


Corporate travelers appreciate the additional amenities found in the Business Class Rooms. Slip into a plush bathrobe and slippers, and enjoy the view of the historic Berlin Cathedral and River Spree. From your private or French balcony, sip your favorite hot beverage from the in-room Nespresso® coffee machine. Keep your wardrobe fresh using the iron and ironing board. After a good night's sleep, wake to enjoy the daily newspaper and the Super Breakfast Buffet.

Standard Rooms are also available.

Accommodation Insight



The AquaDom, the world's largest freestanding aquarium, contains 1 million liters of seawater and can be visited with a SEA LiIFE Berlin ticket. Guests can take the Sea Life discovery tour adjacent to the hotel to see 40 different fish tanks before taking a stunning elevator ride through the center of the AquaDom.


  • The AquaDom is realized by the Union Investment Real Estate GmbH.

  • It is operated by the association Berliner Gesellschaft für Großaquarien (BGG).

  • Guests can visit the AquaDom with SEA LIFE Berlin tickets.

  • It is the world’s largest freestanding aquarium.

  • The AquaDom is home to more than 1,500 tropical fish and over 110 different species.

  • It contains 1 million liters of salt water (salinity 3,3 %).

  • The height of the AquaDom is 25 meters.

  • It has a total weight of 2.000 tons.

  • The acrylic cylinder has a height of 16 meters and a diameter of 12 meters.

  • The water level is 14 meters.

  • The water ring is 3 meters wide.

  • The aquarium is made up of 12 acrylic panes, with a thickness of 16 centimeters on the top and 22 centimeters at the bottom.

  • Seven filters and 2 more special filter systems reduce phosphate and nitrate.

  • Four pumps circulate a total of 900.000 liters per hour; together, the 2 large pumps circulate 600.000 liters per hour.

  • The water pressure is 2.4 bar.

  • The 2-story glass elevator inside the AquaDom (5 meters high; weighing 25 tons) has a capacity of 48 people, including 1 guide.


Take advantage of this exclusive offer for hotel guests to visit AquaDom and SEA LIFE Berlin at special rates. Tickets are available at hotel reception.

Adults: EUR 14.50
Children: EUR 11.00

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