Deck 1
- The Main Bridge, the brain of the ship.
- The Captain's Ready Room is right of the bridge.
- The Briefing Room is located at the left of the bridge.
- Escape Pod Access
- Aft Bridge Airlock
- Upper Sensor Platform

Deck 2
- Mess Hall: it is where the crew eats. It is a dining facility. The Captain's Private Dining Room is here but Neelix has taken Captain Janeway's Private Dining Room and turned it into a kitchen. Here he cooks creative dishes for the crew to try.
- Laboratories and Storage area
- Sensor Gear
- Escape Pod Access

Deck 3
- Captain's Quarter
- VIP and other crew members quarters
- Photon Torpedo Launchers System

Deck 4
- The Transporter Room: there are 2 personnel transporter and 2 cargo transporters. There is also four small emergency evacuation Transporters available for one way transport of the ship only.

Deck 5
- Sickbay: On the U.S.S. Voyager, a holographic doctor takes care of the wounded.

Deck 6
- Holodecks: there are two holodecks on the U.S.S. Voyager. This facility provides the crew recreation with simulations to enjoy. This recreational facility also help with training and exercise.
- Armory is found on this deck.
- Auxiliary Deflector
- Auxiliary Computer Core
- Escape Pod Access
- Deuterium (Matter) Processing
- Consumables Resupply Connectors
- Ensign Harry Kim's quarters.

Deck 7
- Security Personnel's quarters: Security Personnel's quarters were located here when they were moved from Deck 9 an infection in the gel pack, needing Deck 9 to be shutdown.
- Auxiliary Computer Core
- Upper Cargo Bays 1 & 2
- Laboratories
- Thruster Access
- Escape Pod Access
- Deuterium Tankage
- Warp Engine Core Injector Access
- Hargrove's and Lieutenant Lota's quarters.

Deck 8
- Deuterium Processing
- Port/Starboard/Forward Docking Ports
- ODN/EPS Main Trunks
- Lower Cargo Bays 1 & 2
- Warp Engine Core
- Aft Work Pod Storage
- Kes's quarters

Deck 9
- Cargo Loading Doors
- Upper main Shuttle bay
- Laboratories

Deck 10
- Main Shuttle Ramp
- Shuttlebay & Additional Cargo Bays
- Forward Photon Torpedo Launcher
- Primary Computer Core
- Warp Core
- Main Navigational Deflector
- Secondary Warp Core

Deck 11
- Main Engneering
- Voyager's warp drive system is here
- Main Computer Core
- Main Navigational Deflector

Deck 12
- Navigational Control Section B-7
- Antimatter Tankage
- Warp Engine Core
- Reserve Warp Engine Core
- Escape Pod Access

Deck 13
- Main Deflector.
- Aft tractor beam
- Labs
- Escape Pods
- Secondary ODN/EPS conduits

Deck 14
- Reserve Warp Engine Core
- Escape Pod Access Systems
- Ground Hover Footpad
- Antimatter Processing

Deck 15
- Ground Hover Footpads
- Antimatter Loading Port
- Forward Tractor Beam Emitter