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Memory Alpha

The space station Deep Space 9 had at least forty-one numbered levels, each with its own uses and characteristics. (Star Trek: Deep Space Nine)

Deep Space 9 master systems display

Level two

Level three


Elim Garak's quarters were located in chamber 901 on this level. Doctor Julian Bashir accessed the quarters through his identification when Garak left the infirmary without explanation. (DS9: "The Wire")

Level four

Level five

Habitat ring, level five, section three

Level six

  • In 2369, Julian Bashir and Jadzia Dax were attacked by the Klaestrons on level six, in corridor one. (DS9: "Dax")

Level seven

  • Quark's Bar, Grill, Gaming House and Holosuite Arcade was located on level seven. (DS9: "Playing God")

Level twelve

A tritanium source at level twelve, section eight


In 2369, Doctor Bashir told Ambassador Taxco that all crew quarters on the crew level were occupied and that he was not able to give her larger rooms than the guest quarters. The guest quarters were located in corridor H12-A, and were used by Ambassadors Taxco, Vadosia, and Lojal. (DS9: "The Forsaken")

Level thirteen

  • In 2370, a wall on level thirteen in the habitat ring was vandalized with an emblem of the Alliance for Global Unity. That section was part of a low-security area at the time. (DS9: "The Homecoming")

Level fourteen

Level sixteen

  • Odo ordered security teams to the docking ring, levels sixteen to twenty-one to find and arrest the kidnapping Klaestrons. (DS9: "Dax")
  • Odo mentioned that he purposely had assigned himself quarters directly above Quark's. (DS9: "Crossfire")

Level seventeen

Level eighteen

  • Chief Miles O'Brien was ordered to move to level eighteen and phaser sweep the level after he finished level seventeen. (DS9: "The Way of the Warrior")

Level twenty-one

  • Odo ordered security teams to the docking ring, levels sixteen to twenty-one to find and arrest the kidnapping Klaestrons. (DS9: "Dax")
  • The ore processing facilities were located on this level. In 2365, Kira Nerys claimed to have been on level twenty-one when Vaatrik was killed. (DS9: "Necessary Evil")
  • Section ten of this level contained a temperature control panel. In 2369, a subspace shunt to the station's computer was used to access security files through this temperature control panel. (DS9: "The Passenger")

Level twenty-two

Level twenty-three

Level twenty-nine

  • When Benjamin Sisko, Miles O'Brien, and Jake Sisko climbed up from their starting point above level thirty-three, they found themselves in a loading bay where the Uridium was separated from the rock, and later in a corridor gave their location as section D on this level. (DS9: "Civil Defense")

Level thirty-three

  • According to Miles O'Brien, the level on which he and Jake Sisko accidentally set off Dukat's "Bajoran worker revolt" security protocol was above level thirty-three. In that area, Uridium was processed and molten metal was sent down a chute to a secondary refinement unit on this level. (DS9: "Civil Defense")

Level thirty-four

  • Control junctions for the laser fusion initiator were located on this level. (DS9: "Civil Defense")

Level forty-one