All rooms and locations available to guests are located well above sea level. If you do book a room on a lower deck, it doesn't mean you are at the bottom of the ship below water level. It's just the lowest deck available to guests. Directly under guests last deck is the crew cabins, etc.
- Engine rooms
- Medical Rooms
- Laundry Room
- Crew Cabins
- Crew-only dining and social areas
- Cruise staff offices
- Storage rooms