Guides

Subnautica 2 Base Planner: Power, Storage, Outposts

GuidesSubnautica 2Base BuildingStorage2026

Quick Answer

Build the first Subnautica 2 base as a practical return point: storage, crafting, power, route access, module purpose, and clear labels before decoration or far-out biome outposts. Use the planner to decide whether to build, wait, fix power, move safer, or stage a route.

Version focus 2026 Early Access launch
Subnautica 2 base building guide underwater habitat artwork

Base Planner

Score Power, Storage, Scanner Reach, And Route Distance

Plan the first base like a route anchor: power margin, labeled storage, scanner/outpost purpose, co-op labels, and travel distance.

Base readStart small
Build action

Build storage, crafting, and power before decorating or committing to a far outpost.

  • Start with storage, power, and a clear return marker.
  • Delay outposts until the route repeats.
Open next page
Base moduleTypeRoleRecipe laneBuild note
Corridoravailable/base recipestructureHabitat Builderstarter spineTitanium laneUse to keep the first base readable before expanding rooms.
Roomscan/data-box reportedstructureHabitat Buildermain workshopTitanium laneBuild when you can power stations and label storage inside it.
Hatchavailable/base recipestructureHabitat Builderentry safetyTitanium + Quartz lanePlace where the route home is obvious from outside.
Windowavailable/base recipestructureHabitat BuildervisibilityGlass laneUseful after power and storage, not before route function.
Nooksave-check leadstructureHabitat BuilderobservationTitanium + Glass laneTreat as optional until the base already shortens a route.
Half Round Roomsave-check leadstructureHabitat Builderlarger habitatTitanium + Glass laneUse for a later observation or workshop expansion.
Moonpoolsave-check leadvehicleHabitat Buildervehicle entryTitanium laneLeave extra clearance before attaching Tadpole support.
Tadpole Docksave-check leadvehicleHabitat Buildervehicle parkingTitanium Ingot, Silver Ingot, Copper Wire laneBuild after the Moonpool has space around and below it.
Vehicle Fabricatorsave-check leadvehicleHabitat BuilderTadpole buildTitanium Ingot, Copper Ingot, Glass laneIf placement fails, expand clearance rather than forcing the route.
Fabricatoravailable/base recipestationHabitat Buildertools and food1 Titanium, 1 Copper, 1 QuartzKeep close to craft-next and survival restock storage.
Processorscan reportedstationHabitat Builderingots and acids2 Titanium, 1 Mild Acid, 1 Copper WireHigh crafting value; power it before batching processed materials.
Modification Stationsave-check leadstationHabitat Builderupgrades and modules2 Titanium, 2 Celestine, 2 CopperNeeded for Bioscanner and vehicle module planning.
Biolabsave-check leadstationHabitat Builderbiomods3 Titanium, 1 Copper Wire, 1 Mild AcidBuild when you have real biomod scan targets ready.
Battery Terminalsave-check leadpowerHabitat Buildertool battery reset2 Titanium, 2 Quartz, 1 Copper WirePlace beside tool storage for scanner and resonator routes.
Power Cell Terminalsave-check leadpowerHabitat Buildervehicle power reset3 Titanium, 3 Copper, 1 Wiring KitCore for repeated Tadpole cargo routes.
Power Storagesave-check leadpowerHabitat Builderpower bufferBase power laneAdd before running several high-draw stations together.
Solar Panel / Duplex Solar Panelsave-check leadpowerHabitat Buildershallow base power1 Titanium, 2 QuartzBest for shallow bases and early craft stability.
Bioreactorsave-check leadpowerHabitat Builderorganic power2 Titanium Ingot, 2 Copper IngotUseful only if your organic stock is renewable and labeled.
Thermal Plantsave-check leadpowerHabitat Builderdeep power3 Titanium, 3 Copper, 3 GoldNeeds safe access and power transmission planning.
Hydroelectric Turbinesave-check leadpowerHabitat Buildercurrent power3 Titanium, 3 Copper, 3 SilverUse only where natural current and transmission are reliable.
Power Transmittersave-check leadpowerHabitat Builderremote power link1 TitaniumPlan the route between generator and base before building.
Wall Lockersave-check leadstorageHabitat Builderlabeled storageTitanium laneUse for craft-next, rare hold, survival restock, and route kits.
Floor Lockersave-check leadstorageHabitat Builderbulk storageTitanium laneGood for common materials, not for unlabelled rare caches.
Storage Cachesave-check leadstorageHabitat Builderroute cacheBase storage laneUse for outpost route kits only after the route repeats.
Signsave-check leadstorageHabitat Builderco-op labelsTitanium + Copper laneSmall cost, high value for shared storage discipline.
Habitat Beaconavailable/base reciperouteHabitat Builder/Fabricatorreturn markerDeployable laneMark the base before exploring outward.
Scanner Stationsave-check leadstationHabitat Builderresource and wreck reach3 Titanium, 1 System Chip, 1 Wiring KitReserve power before treating it as route support.
NoA Terminalsave-check leadstationHabitat Buildermission support3 Titanium, 1 Glass, 1 Copper WireKeep story systems away from messy storage sprawl.
Biobedsave-check leadsupportHabitat Builderbackup point3 Titanium, 1 Glass, 1 Copper WireUseful once the base is a real route anchor.
Metal Farmsave-check leadproductionHabitat Builderlate material loopMangalloy + Axum route leadsDo not build until the current recipe and surrounding route are safe.
Growbed / Plantersave-check leadproductionHabitat Builderorganic restockTitanium / plant laneUse for food, acid, or organic stock only after first samples are scanned.
Work Light / Spotlightsave-check leadrouteHabitat Builder/FabricatorvisibilityDeployable/electronics lanePlace on repeat work routes, not blind exploratory dives.

Subnautica 2 base building starts as a logistics problem. A good base answers boring but important questions: where do I return, where do materials go, which route does this support, what danger sits nearby, and what should nobody spend yet?

Early Access can change module costs, power behavior, and build balance. Use the Base Planner above for module filters, power checks, storage labels, and route decisions before placing expensive rooms.

Quick Answer

Your first base should be small, readable, and close to useful routes. Build storage and crafting before decoration. Add outposts only after a route proves it deserves a staging point, and move the plan if the nearby route is mostly creature pressure or confusing cave exits.

How To Use The Base Planner

The Base Planner above turns the usual base question into a decision: build now, wait, fix power, label storage, move safer, or stage a repeated route. Use the verdict and module table before placing a large room or remote outpost.

Planner resultWhat it meansBest next page
Start smallThe location can work as a starter baseResources
Wait on outpostThe route has not earned a remote base yetMap
Fix powerExpansion is ahead of infrastructureCrafting
Label storageCo-op or material sorting is the real blockerCo-op
Move saferThe base is too close to repeated hazard pressureCreatures
Build scanner hubThe base supports scans or blueprints, not a permanent townCrafting
Stage routeThe route repeats enough to justify a focused baseResources

Starter Base Layout

AreaPurposeGood sign
Entrance / return pointFast oxygen and safety resetYou can find it under pressure
Crafting cornerKeeps recipes and materials togetherYou stop searching containers
Labeled storagePrevents accidental spendingRare items have a safe place
Power areaKeeps the base functionalExpansion does not break the loop
Route note spotRecords resource and biome plansYou know the next trip before leaving
Expansion slotLeaves room for later modulesYou do not rebuild after every unlock

Location Checklist

Pick a starter location that solves travel, not scenery.

CheckWhy it matters
Repeatable starter resources nearbyKeeps early crafting smooth
Clear landmark or route backPrevents panic swims
Room to expand modestlyAvoids rebuilding too soon
Access to next-step biome edgeSupports progression without deep commitment
Not inside a hazard routeReduces repeated emergency returns

If two locations feel close, choose the one you can find more easily while distracted.

Storage Rules

LabelContentsSpending rule
SurvivalFood, water, health, oxygen supportUse freely, restock quickly
Craft nextMaterials for the next planned itemDo not borrow
Base buildModule and power materialsBuilder decides
Rare or unknownFirst copies, deep finds, unclear itemsHold until confirmed
Route kitsSupplies for specific biome tripsUse only for that route

This is especially important in co-op. Without labels, every player thinks someone else knows why a material was saved.

Build Order

  1. Safe return point.
  2. Minimal storage.
  3. Crafting support.
  4. Stable power.
  5. Better storage labels.
  6. Route-specific expansion.
  7. Cosmetic work.

Decoration is not wrong. It just belongs after the base stops wasting your time.

When To Build An Outpost

Build an outpost when…Wait when…
A deep route is repeated oftenYou only visited once
Returning home wastes most of the tripYou are still mapping the area
Co-op players need a rally pointThe group has no route rules
The outpost stores route-specific suppliesIt would become a random junk room

Bad Base Mistakes

  • Building far away before testing the route.
  • Making one huge storage room with vague labels.
  • Expanding faster than power and materials support.
  • Using a base to justify unsafe exploration.
  • Splitting co-op storage across multiple unlabeled rooms.

Starter Base Example

Think of the first base as a workshop with a door, not a dream house. A simple layout can carry the early game for a long time:

SpotPut hereWhy
EntranceSurvival restock and route noteYou check it before every dive
Left wallCraft-next storageMaterials stay beside the recipe plan
Right wallCommon resource storageFast sorting after short loops
Back wallRare or unknown storageFirst copies are protected
Expansion sidePower or future module spaceYou avoid rebuilding the whole base

If you like decorating, leave a decoration corner instead of mixing cosmetics with work storage. The base can still feel personal without making the crafting loop worse.

Power And Logistics Check

Do not expand just because you can place another module. Expand when the base can support the added demand.

Before adding…Check first
More storageAre labels still readable?
More roomsDoes power stay stable?
A route outpostHave you repeated the route at least twice?
Co-op bedrooms or personal areasIs shared crafting already organized?
Decorative spaceDoes it block movement or storage access?

The best base is the one that shortens decisions. You should know where to drop materials, which craft comes next, and what route the base supports without opening every container.

Co-op Base Rules

Co-op bases need fewer rooms and clearer rules. If every player claims a corner, the group may end up with four personal piles and no shared progress.

  1. Put shared survival supplies near the exit.
  2. Keep rare items in one agreed container.
  3. Use a visible craft-next container for the current group target.
  4. Do not build remote outposts without telling the group what they support.
  5. After each session, leave the next objective visible in storage or notes.

Outpost Naming

Name outposts by function, not style. “Deep north staging” is more useful than “cool glass base.” A functional name tells you what supplies belong there and when to visit.

Outpost nameSupplies to keep there
Starter resource stagingCommon route materials and survival restock
Biome edge scoutEmergency supplies and empty storage
Deep route prepRepair support, spare food/water, route notes
Co-op rally pointShared restock and clear return rules

Sources

FAQ

Where should I build my first Subnautica 2 base?

Build near repeatable starter resources, a clear return path, and a route toward the next useful biome.

Should I build a large base early?

No. Start with storage, crafting, and power, then expand only when a route or system needs it.

How should co-op bases be organized?

Use shared labels and spending rules so players do not waste materials on duplicate upgrades.

When should I build an outpost?

Build an outpost when it shortens a proven route, not when a new area merely looks interesting.