Biomes (Subnautica)

Subnautica features a wide range of Biomes to explore and conquer, representing miniature ecosystems. The word itself comes from the term "bio", meaning life.

Surface Biomes

 * Blood Kelp Zone (150m - 675m)
 * Crash Zone (0m - 300m)
 * Dunes (65m - 400m)
 * Floater Island (Surface)
 * Grand Reef (180m - 450m)
 * Grassy Plateaus (50m - 170m)
 * Kelp Forest (1m - 160m)
 * Koosh Zone (140m - 480m)
 * Mountain Island (Surface)
 * Mountains (0m - 500m)
 * Mushroom Forest (75m - 250m)
 * Safe Shallows (1m - 80m)
 * Sea Treader's Path (170m - 360m)
 * Sparse Reef (40m - 310m)
 * Underwater Islands (35m - 500m)

Cave Biomes

 * Blood Kelp Caves (430m - 675m)
 * Deep Grand Reef (425m - 600m)
 * Inactive Lava Zone (600m - 1500m)
 * Jelly Shroom Caves (180m - 300m)
 * Kelp Forest Caves (90m - 170m)
 * Lava Caves (220m - 315m)
 * Mountain Range Caves (0m - 380m)
 * Mushroom Forest Caves (170m - 250m)
 * Overgrown Caves (125m - 200m)
 * Safe Shallows Caves (10m - 75m)
 * Sea Treader's Tunnel Caves (200m - 340m)
 * Tiger Plant Caves (120m - 175m)

In-Development Biomes

 * Lost River

Mini-Biomes

 * Lava Geyser (variable depth)

Possible Biomes

 * Arctic
 * Twisty Bridges

Trivia

 * Developers' footages of biome generation can be seen on a playlist from Russel Maekim's Youtube channel. He also sometimes livestreams his work on Twitch.


 * The game considers the inside of an Observatory and Scanner Room to be separate biomes.