Subnautica 2 Base Building Guide
All 135 base building pieces in Subnautica 2. From structural modules and power systems to furniture and decorations. Build your perfect underwater habitat.
Base Building Basics
To start building a base in Subnautica 2, you need the Habitat Builder tool (unlocked by scanning 2 fragments). Your base needs:
- Structure — Corridors, rooms, hatches for the shell
- Power — Solar Panels, Thermal Plants, or Bioreactors
- Utilities — Fabricator, Storage, Scanner Station
New in Subnautica 2: adjacent storage lockers are automatically included in crafting material counts — no need to carry everything in your inventory!
Acid Raion
Axum Jar
Axum Pot
Axum Seat
Axum Street Lamp
Axum Trashcan
Axum Wall Lamp
Battery Terminal
Beacon
Biobed
Biolab
Biolab
Bioreactor
Biosampling Kit Dispenser
Bulb Floor Lamp
Cherimoya Rotsac
Cicada Scrap Pile
Community Poster 02
Coral Jar
Corridor
Corridor Hatch Side
Cradle Shootroot
Current Ring
Cyclops Poster
Decal Test
Dining Chair
Dining Table
Dive Elevator
Duplex Solar Panel
Expanded Deployable Locker
Exterior Wall Light
Fabricator
Fabricator Pillar
Floating Support
Floor Locker
Foundation
Freesia Flower
Geothermal Recharger
Habitat Beacon
Half Round Room
Hanging Tailing Jar
High Capacity Deployable Locker
Hydro-Electric Turbine Scrap
Hydroelectric Turbine
Interior Wall
Just Keep Swimming Poster
Keep Calm Poster
Lab Chair
Ladder
Language With No Barriers Poster
Lost River Poster
Macaron Sponge
Medkit Fabricator
Metal Farm
Mimic Pylon
Mining Platform
Mining Platform Copper
Modification Station
Moon Pool
New Life Poster
NoA Terminal
Nook
Painted Tree Poster
Pent
Pillar
Pioneer Hull Plate
Pioneer Program Poster
Portable Locker
Portable Oxygen Generator
Power Cell Bank
Power Cell Terminal
Power Plant Building Project
Power Storage
Power Transmitter
Processor
Radio
Reaper Leviathan
Rectangular Ceiling Light
Resonance Fountain
Roof Antenna
Roof Antenna Large
Roof Cylinder
Roof Listening Dish
Roof Panel Large
Roof Pump
Roof Pump Double
Room
S Shelf
Safety First Poster
Scanner Station
Scout Ray Chassis
Scout Ray Poster
Scrap
Sea Dragon Poster
Sea Emperor Poster
Sea Moth Model
Sensor Pod
Sign
Single Bed
Small Axum Jar
Small Ceiling Light
Small Coral Jar
Small Crate
Solar Panel
Solar Panel Scrap
Spotlight
Stool
Storage Cache
Support
Tadpole
Tadpole Haul Chassis
Tailing Barrel
Tailing Chest
Tailing Drum
Tailing Jar
Tailing Rug
Tailing Table
Tall Axum Jar
Thermal Plant
Time of Day Display
Trashcan
Vintage Wanted poster
Wall Light Large
Wall Light Small
Wall Locker
Wall Panel
Wall Rack
Wall Unit Large
Wall Unit Small
Wall Vent
Wall Vent Large
Work Light
World Tree Relic
Zezura poster
