Visuel officiel de Subnautica montrant l’exploration sous-marine utile pour préparer une base Scanner Room

[Guide] Subnautica Scanner Room : best location, build order and mistakes to avoid

Visuel : les images appartiennent à leurs ayants droit respectifs.

Contents 5 min read

The Subnautica Scanner Room works best when it covers useful terrain, has stable power and turns signals into short trips. A bad location wastes time. A good setup helps you find fragments, resources and wrecks without swimming blind.

Key points

  • The Scanner Room helps locate resources, fragments and wrecks within the base’s scan coverage.
  • The Scanner Room HUD Chip displays signals while exploring outside the base.
  • Camera Drones are best used for quick scouting around wrecks, terrain and danger zones.
  • Seaglide, Mobile Vehicle Bay and Seamoth form a safe early mobility progression.

Key Takeaways for the Subnautica Scanner Room

  • Build your first Scanner Room near a fragment-rich biome.
  • Keep the lifepod as your early safety point.
  • Craft the Scanner Room HUD Chip as soon as possible.
  • Run short scans, then leave with one clear goal.
  • Use Camera Drones to scout wrecks before entering them.
Shallow reef in Subnautica near the lifepod before building a Scanner Room
The starting area is your safety net for oxygen, titanium and food.

Best Subnautica Scanner Room location

The best Scanner Room location sits near a biome crossroads. Aim for a border between Safe Shallows, Kelp Forest and Grassy Plateaus. This keeps safe routes close while adding better fragment coverage.

Do not build too far out. You should reach your lifepod, a kelp field, a simple wreck and a mineral route quickly with the Seaglide. If every return feels risky, build closer to safety.

AreaMain valueRiskBest use
Safe ShallowsSafe start and basic resourcesFewer advanced fragmentsKeep it as a backup zone
Kelp ForestOrganic resourcesStalkersMove fast and light
Grassy PlateausFragments, wrecks and oresDepth and predatorsGreat first relay base area
Deep biomesAdvanced materialsOxygen and navigationSave for later upgrades
Open Subnautica biome suited for a relay base and nearby Scanner Room resources
A useful base spot has visibility, several exits and nearby biomes.

Build order before the Subnautica Scanner Room

The Scanner Room does not replace your tools. It points you toward targets. It does not cut doors or scan blueprints for you.

Prepare the Scanner, Repair Tool, Survival Knife, Seaglide, a light source and some water. The Seaglide comes first. Without it, even a nearby marker can become slow and unsafe.

  1. Stabilize food and water near the lifepod.
  2. Craft the Scanner.
  3. Scan nearby fragments.
  4. Build the Seaglide.
  5. Place a compact relay base.
  6. Add power, storage and the Scanner Room.
  7. Craft the HUD Chip early.
Subnautica exploration with survival gear before searching for fragments
Leave light. A strong trip has one target, not a full random inventory.

Best scans with the Subnautica Scanner Room

Start with targets that solve your next bottleneck. Fragments, quartz, copper, silver and wrecks usually matter more than rare materials you cannot reach safely.

The HUD Chip is the key upgrade. Without it, you keep returning to the room console. With it, signals appear while you swim.

StageScan targetReason
EarlyFragmentsUnlock Seaglide, Mobile Vehicle Bay, Seamoth and base pieces
Base setupQuartz, copper, silverSupport glass, wiring, power and modules
ExplorationWrecksFind blueprints and useful routes
ProgressionSpecific oresPrepare vehicles and upgrades
Subnautica underwater base used as oxygen and storage support for Scanner Room trips
The room pays off when it has power, storage and a safe oxygen return.

Use Camera Drones without wasting time

Camera Drones are scouting tools. Fly one around a wreck, check entrances, look for predators and read the terrain.

Do not spend too long piloting them. You are not gathering resources while you watch the feed. Scout quickly, then leave with the right tools.

Drones also help you judge depth. A target can be close on the map but too deep for your current gear.

Subnautica terrain used to scout wreck entrances with Camera Drones
Use drones to read wreck entrances, predators, terrain and distance.

Unlock vehicles with the Scanner Room

The Scanner Room speeds up early vehicle progression. Aim for the Seaglide, then the Mobile Vehicle Bay, then the Seamoth. This order improves speed, oxygen and range.

Use a short loop. Scan, visit two or three nearby signals, return, unload and repeat. This is safer than crossing several biomes with a full inventory.

  • Seaglide: immediate speed and safer swims.
  • Mobile Vehicle Bay: required for vehicle crafting.
  • Seamoth: mobile oxygen and better range.
  • Modules: build them once the vehicle is part of your routine.
Subnautica underwater vehicle used as mobile oxygen while searching for fragments and ores
Your first vehicle secures return trips. Do not use it to rush too deep.

Subnautica Scanner Room mistakes to avoid

The first mistake is overbuilding. A strong relay base can be simple: one compartment, a hatch, power, storage and the Scanner Room.

The second mistake is following every signal without checking depth. Look at oxygen, terrain and your return route first.

The third mistake is skipping Beacons. Scanner Room markers are temporary. Beacons are better for bases, wrecks and biome entrances.

Deep Subnautica area showing the danger of following a Scanner Room marker without a return route
A close signal can still be dangerous if it sits below your equipment limit.

Subnautica is available on multiple platforms. Official pages confirm its focus on exploration, survival, crafting and base building. Check the Steam listing, the Nintendo page, the Xbox listing and the studio site. On jeu.video, you can also browse our articles, gaming news and latest posts.

Frequently Asked Questions

Where should I build my first Scanner Room in Subnautica?

Build it near a border between Safe Shallows, Kelp Forest and Grassy Plateaus for safe routes and useful fragments.

What base setup do I need before the Scanner Room?

A compartment, hatch, power source, storage and oxygen access are enough for a compact relay base.

Should I build the Scanner Room before the Seaglide?

No. Build the Seaglide first because it makes every marker faster and safer to reach.

Which upgrade shows Scanner Room markers outside?

The Scanner Room HUD Chip shows signals while you swim, so you do not need to keep checking the console.

What should I scan first in the early game?

Scan fragments first, then copper, quartz, silver and nearby wrecks. These targets unlock tools, bases and vehicles.

Why is my Scanner Room not finding the resource I need?

The resource may be out of range, absent from the biome or too deep for your current route.

Which vehicle should I unlock first with Scanner Room help?

Aim for the Seaglide first, then the Mobile Vehicle Bay and Seamoth for safer exploration.

Where can I track official Subnautica information?

Verified sources

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