SH Diana deck 3 plan (Expedition-Marina-Hospital)

Midship on Deck 3 are the Clinic (Infirmary/ship's Hospital), Library (reading lounge), Expedition Lab (photo studio).

Mudroom (two Base Camps/expedition storage and tour preparation rooms). The Mud Room facility is utilized for passenger embarkation-disembarkation on/from the Zodiacs and for tour preparations and equipment storage

The aft-located Marina Deck (watersports platform) serves the launching of the ship's fleet of Zodiacs (large-capacity inflatable speedboats) used for coastal cruising and landings.

On Expedition Deck are also most staff and crew cabins and the Mess Hall (crew-only bar lounge/dining room). Forward there is a Laundry Room (self-serve facility).

Two midship Lifts (passenger elevators) interconnect all decks.