of Crystal Mahler deck 1 (Lower)
- The staff and crew cabins and lounge area are located aft – next to the passenger rooms. Adjacent to them are the ship’s Propulsion-Engine Room and fuel tanks.
- Ballast tanks and fresh-water tanks are located forward.
- Main Deck 1 has a central-location sweeping staircase and a passenger lift accessing Middle Deck 2 and Upper Deck 3. In the elevator area (starboard) is located the Guest Laundry room.
- Cruise cabins from 101 to 120, all of which are River Suites (swan cabins) in categories S3 and S4.