Quick answer
Explore Subnautica 2 by loops instead of random lines. Pick one landmark, choose one objective, drop a Beacon when the route earns a name, note oxygen pressure and danger, then return before the swim turns messy.
Field notes for route mapping
Name routes after jobs
Copper loop, scan sweep, base scout, Silver cave: those names are boring on purpose. They tell you what to pack and when to turn around.
A bad return is map data
If you came home panicked, write down why. Low visibility, one confusing bend, or a late oxygen turn-back is exactly the kind of note that saves the next dive.
Use Beacons only when a route earns one
Beacon spam turns the ocean into clutter. Drop one when a route has a clear job or a place you genuinely expect to revisit.
How to build a useful route
Start from a clear landmark
Use the Lifepod, a base hatch, a cave mouth, or a visible terrain shape. If the start is hard to explain, the route is not ready yet.
Set one job for the dive
Resource farming, blueprint scanning, biome scouting, and base planning are different trips. Mixing them too early makes the notes weak.
Mark pressure points
The useful parts of a map are not only resources. Mark low visibility, oxygen strain, hostile routes, confusing turns, safe return points, and places where a Scanner Station would save guesswork later.
Turn loops into pages
Once a route works twice, connect it to a guide: resources, crafting, Air Tank, Beacon, Scanner Station, or base-location planning.
Map note board
Anchor
Landmark
Every route needs a start players can find again.
Goal
One job
Farm, scan, scout, or plan a base. Do not blend everything.
Risk
Return cue
O2 pressure and danger notes matter as much as loot.
Biome note template
| Map field | What to record |
|---|---|
| Safety | Creature pressure, visibility, oxygen demand, and whether the return feels reliable. |
| Common resources | Materials worth repeating from this area without a long detour. |
| Rare resources | Items that need a dedicated run, better oxygen, or patch verification. |
| Base potential | Space, power access, storage convenience, Moonpool clearance, and whether teammates can find it. |
| Progression value | Fragments, scans, route unlocks, or reasons to revisit after upgrades. |
Do not trust memory after a panic swim
A route you barely survived is not a route yet. Write down the turn-back cue, oxygen problem, and landmark you missed. The second clean trip is usually where a real guide starts.
FAQ
Is there a full Subnautica 2 map yet?
Early Access map details can change, so a route-first guide is safer than pretending every boundary and resource cluster is final.
How should I choose a first base location?
Pick a spot that is easy to find, close to resources you use often, safe enough for routine returns, and near a route you expect to repeat.
What should I mark for co-op?
Use short route names, shared landmarks, storage roles, and danger notes. Co-op navigation breaks down fast when every player uses a different name.