1
Leave from a Kelp Forest edge
Do not start from the middle of the starter biome. Pick a beaconed edge or first base, then swim out on a single heading so the return path stays readable.
Mid-depth | Low danger
Jelly Plateaus
A low-danger mid-depth biome built around raised shelves, glowing flora, and ridge-to-ridge navigation. The Jelly Plateaus are the natural step after a stable Kelp Forest base: more useful scans, better base sites, and the first taste of deeper route planning without apex-level pressure.
Quick route. Leave from a beaconed Kelp Forest edge, scan glowing flora from ridge tops, mark a flat shelf, and return before oxygen pressure turns a simple shelf run into a rescue swim.
Last updated 2026-05-15.
Biome stats
Depth band
Mid-depth transition
Danger level
2 / 5 - low
Role
Second-session route and base upgrade site
Notable for
Bioluminescent flora, ridge navigation, low predator pressure
Route plan
2
Climb ridge to ridge
The Plateaus read best as shelves rather than open water. Move between raised ridges, scan from the high points, and avoid dropping into every gap until you know the exit.
3
Prioritize glowing flora
The biome identity comes from bioluminescent, jellyfish-adjacent flora. These are the highest-value scans because they are easy to miss in the visual clutter.
4
Mark your base candidate
If you find a flat shelf with easy Kelp Forest access and one deeper exit, place a beacon. The Jelly Plateaus are one of the cleanest early relocation zones.
Resources here
Moderate-tier materials
Expect a step above Kelp Forest basics without the heat, pressure, or leviathan risk of later zones.
Bioluminescent flora
Useful scan data and a likely future DNA Modification family as the Early Access catalogue expands.
Shelf salvage
Ridge edges and plateau pockets are better search patterns than swimming through the open middle.
Low-risk food and water runs
Predator pressure is light enough that solo players can gather calmly if they keep oxygen and heading discipline.
Priority scans
Glowing jelly flora
The defining scan family for the biome. Scan multiple shapes instead of assuming one entry covers all variants.
Hammerhead
Passive herbivore sightings can carry over from shallow vegetation into mid-depth shelves.
Plateau plant clusters
Small flora on ledges can be easy to overlook because the larger glowing silhouettes dominate the scene.
Terrain landmarks
Tall shelf edges, arches, and bright flora clusters make practical navigation markers even when they are not formal PDA entries.
Why build here
- Low danger rating makes it forgiving for a second base after the first Kelp Forest room.
- Ridge shelves create natural foundations for compact sculptural bases.
- The zone sits between starter resources and deeper progression routes, so it reduces travel once the Tadpole is online.
- Bioluminescent flora improves night navigation if you place the base near a distinct glow pattern.
Before you commit
- Oxygen mistakes are more punishing than in the Kelp Forest because the surface is farther away.
- Similar-looking ridges can hide your return route. A beacon is not optional.
- A base too deep inside the Plateaus adds friction when you need starter materials from the Kelp Forest.
Hazards
- The main threat is navigation, not combat. Similar ridge profiles can make the return path feel obvious until you turn around.
- Mild currents and elevated terrain create eddies that push you below the shelf line. If your depth drops unexpectedly, climb back to a ridge.
- Low predator density does not mean zero predators. Treat any sudden silence or fleeing passive fauna as a cue to pause and look around.
Overview
The Jelly Plateaus are where the map starts asking players to think in routes instead of circles. The Kelp Forest lets you reset from almost any mistake by surfacing. The Plateaus still feel safe, but shelves, ledges, and glowing clutter make heading control more important. That is exactly why the biome is useful: it teaches deeper exploration without throwing the Collector Leviathan at you.
Treat the brightest flora clusters as navigation pins. Scan them, but also use them as visual signposts for the return path. If a ridge top gives you one clean line back to Kelp Forest and one clean line toward deeper water, it is probably worth marking for a future base.
Questions people ask
Where is the Jelly Plateaus biome?
It sits between the Kelp Forest starter pocket and deeper biome routes. Most players reach it from a Kelp Forest edge during session two or early session three, after the first base and scan loop are stable.
Is the Jelly Plateaus dangerous?
Only mildly. The danger rating is 2 / 5 because predator pressure is low and the biome gives readable terrain. The main hazard is losing your return route among similar shelves, not being hunted by a resident apex predator.
What can I scan in the Jelly Plateaus?
Start with the bioluminescent jelly flora, then scan small ledge plants, passive fauna such as Hammerheads when present, and any salvage or terrain-adjacent entries the PDA allows. The visual density makes duplicate-looking flora worth checking one by one.
Should I build a base in the Jelly Plateaus?
Yes, it is one of the stronger early relocation candidates. Build on a flat shelf near a clear route back to the Kelp Forest and a separate route toward deeper progression. Avoid placing the base in a pocket with only one exit.
Is the Jelly Plateaus a first-hour destination?
Usually no. It is not extreme danger, but it asks for better oxygen rhythm and navigation than a fresh save has. Cure Digestive Incompatibility, scan the Kelp Forest, and place a starter base before pushing here.
What is the difference between Plateaus and Jelly Plateaus?
The confirmed launch naming around Plateaus is still settling. This page tracks the bioluminescent mid-depth shelf biome players commonly identify as Jelly Plateaus; if Unknown Worlds standardizes the in-game name differently, this page will be renamed with redirects.
Related pages
Use these pages to connect the Plateaus route with early scans and deeper travel.
All Biomes
Return to the Subnautica 2 biome index.
Kelp Forest
The safe starter biome most Plateaus routes begin from.
Graveyard
The next moderate-risk scan and loot destination.
Hammerhead
Passive mid-depth scan target seen across vegetation zones.
Tadpole Submersible
The vehicle that turns mid-depth travel into repeatable routes.
First Hour Plan
Why the Plateaus should usually wait until after hour one.