| AALTO | 62m² | 2.50m | 40 | 17 | 20 | 20 | 20 |
| The 667 sq. ft (62 m²) Aalto room on the fourth floor offers natural daylight, the latest in audio and video equipment and free wifi access throughout. Full day Vienna conference packages are available from EUR 95 per person. |
| BREUER | 74m² | 3.50m | 0 | 0 | 20 | 0 | 20 |
| The 797 sq. ft (74 m²) Breuer room is on the fourth floor, decorated in a unique style and enjoys natural light. The latest audio and video equipment is available; free wifi. |
| EIFFEL | 72m² | 3.50m | 48 | 16 | 14 | 20 | 30 |
| The 775 sq. ft (72 m²) Eiffel room is located on the fourth floor and offers natural light. It can be connected to the adjoining Garnier Room for a larger Vienna conference. The latest audio and video equipment is available; free wifi throughout. |
| FOYER | 404m² | 2.50m | 0 | 0 | 0 | 0 | 0 |
| The 4349 sq. ft. (404 m²) foyer, on the fourth floor and with natural light, comprises a bar and lounge where guests can enjoy a coffee break in a modern setting while enjoying views of the old town and the atrium between the first and fifth floor. |
| GARNIER | 63m² | 3.50m | 40 | 16 | 14 | 20 | 30 |
| The 678 sq. ft (63 m²) Garnier room is located on the fourth floor and enjoys natural daylight. It can be connected to the adjoining Eiffel room. The latest audio and video equipment is available and this Vienna hotel offers free wifi throughout. |
| LE CORBUSIER | 248m² | 7.00m | 130 | 48 | 65 | 65 | 100 |
| The 2669 sq. ft (248 m²) Le Corbusier room is located on the fourth floor and bathed in natural light. It has a ceiling height of 23 ft (7 m) and its own 1184 sq. ft (110 m²) reception area. Latest audio and video equipment available; free wifi. |
| LLOYD WRIGHT | 44m² | 3.50m | 30 | 12 | 12 | 12 | 24 |
| The 474 (44 m²) Lloyd Wright room on the fourth floor enjoys natural light and can be connected to the adjoining Niemeyer room. The latest audio and video equipment is available; free wifi. Full day conference packages available from EUR 95 per person. |
| NIEMEYER | 45m² | 3.50m | 30 | 12 | 12 | 12 | 24 |
| The 484 sq. ft (45 m²) Niemeyer room is located on the fourth floor, enjoys natural light and can be connected to the adjoining Lloyd Wright room. The latest audio and video equipment is available; free wifi. Conference packages from EUR 95 per person. |
| VAN DER ROHE | 61m² | 3.50m | 40 | 22 | 20 | 20 | 30 |
| The 657 sq. ft (61 m²) Van der Rohe room is located on the fourth floor, enjoys natural light and can be used as a seminar room. The latest audio and video equipment is available; free wifi. Full day conference packages from EUR 95 per person. |