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This article contains information that is updated for the latest Experimental Version of Subnautica. Players using stable mode may find this information inaccurate.

Subnautica features a wide range of biomes to explore and coexist with, which represent miniature ecosystems in the real world.

Biomes

Surface Biomes

Biome Depth Range Harvesting Nodes Points of Interest
BKNorthernInfobox
Blood Kelp Zone
  • 150 - 675 meters (Trench)
  • 200 - 580 meters (Northern)
BulbZoneInfoboxTrueFInal
Bulb Zone
  • 140 - 480 meters
TrueCragInfobox
Crag Field
  • 125 - 460 meters
TrueCrashInfobox
Crash Zone
  • 0 - 370 meters
DunesInfoboxPicTrue
Dunes
  • 65 - 400 meters
GrandReefTrue
Grand Reef
  • 150 - 480 meters
Grassy Plateaus
Grassy Plateaus
  • 50 - 170 meters
KelpForestTrueInfobox
Kelp Forest
  • 0 - 160 meters
MountainsInfobox
Mountains
  • 0 - 500 meters
WesternMF
Mushroom Forest
  • 75 - 250 meters (Northwestern)
  • 125 - 200 meters (Northeastern)
SafeShallowsBiomesPage
Safe Shallows
  • 0 - 80 meters
STPInfobox
Sea Treader's Path
  • 170 - 360 meters
SparseReefInfoboxImage
Sparse Reef
  • 40 - 310 meters
UnderIslandsInfobox
Underwater Islands
  • 35 - 500 meters

Islands

Biome Depth Range Harvesting Nodes Points of Interest
FloatingIslandTrue
Floating Island
  • Above sea level

-

MIBiomes
Mountain Island
  • Above sea level

Cave Biomes

Biome Depth Range Harvesting Nodes Points of Interest
BloodKELPCAVESINFOBOX
Blood Kelp Caves
  • 430 - 675 meters
-
LostRIverCaves
Bone Fields Caves
  • 610 - 710 meters

-

-
BulbZonecavesinfobox
Bulb Zone Caves
  • 220 - 315 meters
DeepGradnInfoboxTrue
Deep Grand Reef
  • 425 - 630 meters
DeepSparse
Deep Sparse Reef
  • 210 - 290 meters
DunesCavesInfoboxImage
Dunes Caves
  • 400 - 420 meters

-

GRANDREEFINFOBOX
Grand Reef Caves
  • 350 - 410 meters

-

Screen Shot 2017-04-06 at 11.47.06
Grassy Plateaus Caves
  • 120 - 175 meters

-

20160711163129 1
Inactive Lava Zone
  • 900 - 1300 meters
2016-02-07 00009
Jelly Shroom Caves
  • 180 - 300 meters
KelpForestCavesInfobox
Kelp Forest Caves
  • 90 - 170 meters
-
Lost RIver Infobox PIc
Lost River
  • 550 - 1000 meters

-

20170424174843 1
Mountain Range Caves
  • 0 - 380 meters
  • Thermal Vents (?)
Mushroom Caves
Mushroom Forest Caves
  • 170 - 250 meters

-

SAFECAVES3
Safe Shallows Caves
  • 10 - 75 meters

-

2016-02-08 00003
Sea Treader's Tunnel Caves
  • 200 - 340 meters

-

Screen Shot 2017-03-02 at 17.20.59
Underwater Islands Caves
  • 205 - 255 meters

-

Mini-Biomes

Biome Depth Range Harvesting Nodes Points of Interest
LavaGeyserInfobox
Lava Geyser

Varies

-

LavaCastle2
Lava Castle
  • 1100 - 1300 meters
Infobox ILZC
Inactive Lava Zone Corridor
  • 450 - 1200 meters
-

In Development

Biome Depth Range Harvesting Nodes Points of Interest
ALZ1
Active Lava Zone
  • 1300 - 1700 meters

Possible Biomes

Biome Depth Range Harvesting Nodes Points of Interest
BiosphereSheet Arctic page01
Arctic Biome

Unknown

Unknown

Unknown

LilypadWaterIslands LowRes
Lilypad Islands

Unknown

Unknown

Unknown

TwistyBridges01
Twisty Bridges

Unknown

Unknown

Unknown

Gallery

Trivia

  • Developers' footages of biome generation can be seen on a playlist from Russel Maekim's YouTube channel.
  • The game considers the inside of an Observatory, Lifepod, and Scanner Room to be separate biomes. This is also true for the Aurora and for some of the large wrecks in the Bulb Zone and Grassy Plateaus (respectively labelled crashedShip and wreck).
  • Early biome-concepts included Crystal and Arctic biomes. Considering the Arctic has since gained a development work-sheet, it might be added in future updates after the release of the official game.
  • Early surface biome concepts were divided into Kelp Forest, Dense Kelp Forest, Sunny Kelp Forest, Coral Reef, Danger Reef, Safe Shallows, Grand Reefs, and Floating Island. Four of these have since been fully developped/implemented (the Safe Shallows, the Kelp Forest, Floating Island, Grand Reef and the Deep Grand Reef).
  • Early lava zone biome concepts were divided into Lava Zone, Lava Bridges, Inactive Lava Zones and Thermal Vents. These were all implemented in some form, though the Thermal Vents have been reduced to geological features rather than a full biome.

Start a Discussion Discussions about Biomes

  • they need to make the artic biome a thing who agrees

    2 messages
    • i looked at  the google doc  for the artic biome and it has all the good ideas that that it needs for that  biome
    • I do agree that it should be added, however it will most likely be implemented after the game has been released as according to their developm...
  • Arctic biome and seasons.

    22 messages
    • Zuira wrote:Master of Skrubs wrote:I've been thinking about the arctic biome and I can't help but think it would look weird if, s...
    • It would make sense if you had to take a precursor teleporter to get there. So it would be like a completely different map, and it would h...