

Subnautica Below Zero Map: A Comprehensive Guide to Exploring the Depths
Subnautica: Below Zero is an open-world survival game that plunges players into the icy waters of Planet 4546B. Unlike its predecessor, this game presents an entirely new environment with frozen biomes, submerged caves, and mysterious alien technology. Navigating this underwater world can be challenging, which is why understanding the Subnautica Below Zero map is essential for survival.
In this guide, we will explore the Subnautica Below Zero map, highlighting its key biomes, important locations, hidden resources, and tips for exploration. Whether you’re a beginner or a seasoned diver, this guide will help you make the most of your adventure in the frozen depths.
Understanding the Subnautica Below Zero Map
The Subnautica Below Zero map is vast, covering both the ocean floor and icy surface. Unlike the first game, which focused purely on underwater exploration, Below Zero introduces surface regions where players will need to manage temperature and survive harsh weather conditions.
The game world is divided into different biomes, each featuring unique flora, fauna, and environmental hazards. While there is no official in-game map, many community-made maps help players navigate the complex layout of the game.

Key Biomes on the Subnautica Below Zero Map
Below are some of the most important biomes that players will encounter while exploring the Subnautica Below Zero map:
1. Shallow Twisty Bridges
- Starting biome with abundant resources.
- Features coral formations, oxygen plants, and early-game minerals.
- Home to smaller predators like Brinewings.
2. Twisty Bridges
- Located deeper than the Shallow Twisty Bridges, around 50-200 meters deep.
- Contains advanced materials like Argentite Outcrops and Ribbon Plants.
- Habitat for aggressive creatures such as Brute Sharks.
3. Arctic Kelp Forest
- Large forests of giant kelp offering food and crafting materials.
- Safe from large predators, but Sea Monkeys may steal your items.
- Contains Creepvine and Seed Clusters, essential for early survival.
4. Deep Twisty Bridges
- Extends beyond 200 meters in depth.
- Riskier to explore due to limited oxygen and aggressive fauna.
- Contains alien structures and hidden loot.
5. Thermal Spires
- Volcanic biome with geothermal activity.
- Good source of minerals like Lead, Silver, and Gold.
- Home to Cryptosuchus, a mid-tier predator.
6. Purple Vents
- Volcanic terrain with purple hydrothermal vents.
- Features advanced materials like Lithium and Ruby.
- Houses dangerous creatures such as Chelicerates.
7. Glacial Basin
- A surface biome covered in snow and ice.
- Contains Marguerit Maida’s Base, an important storyline location.
- Home to aggressive Snow Stalkers and valuable fur resources.
8. Crystal Caves
- A deep and visually stunning cave system.
- Essential location for endgame resources like Kyanite.
- Home to the Shadow Leviathan, one of the deadliest creatures in the game.
9. Fabricator Caverns
- A hidden biome where the final stages of the game take place.
- Houses the Architect’s components, essential for completing the storyline.
- Requires advanced vehicles like the Prawn Suit for safe navigation.
Important Landmarks on the Subnautica Below Zero Map
Aside from biomes, the Subnautica Below Zero map contains several important locations:
Delta Station
- A key story location that provides lore and survival supplies.
- Home to the Communications Tower used for progressing the plot.
- A good place to find Blueprints for new equipment.
Marguerit Maida’s Base
- Located in the Glacial Basin.
- Contains Prawn Suit fragments and valuable loot.
- Features an NPC interaction, a rare occurrence in Subnautica.
Pilot’s Last Known Position
- A storyline waypoint leading players to deeper biomes.
- Reveals clues about the missing Alterra scientists.
- Often patrolled by dangerous predators.
The Mercury II Wreck
- A massive crashed spaceship scattered across different biomes.
- Contains valuable Blueprints for the Parallel Processing Unit.
- Requires Laser Cutter to access some compartments.

Best Tips for Navigating the Subnautica Below Zero Map
To make the most out of your exploration, keep these tips in mind:
1. Build Beacons for Navigation
- Since there’s no built-in map, beacons help mark key locations.
- Label important places like wrecks, caves, and bases.
2. Upgrade Your Vehicles
- The Seatruck is essential for long-distance travel.
- Equip Depth Modules to reach deeper biomes safely.
3. Stock Up on Oxygen
- The deeper you go, the more oxygen you’ll need.
- Carry extra Oxygen Tanks and use Oxygen Plants to extend dives.
4. Beware of Predators
- Leviathans like the Chelicerate and Shadow Leviathan are deadly.
- Use the Perimeter Defense Upgrade for the Seatruck to repel them.
5. Utilize the Scanner Room
- This base upgrade allows you to locate specific materials.
- Helps save time searching for hard-to-find resources.
Conclusion: Mastering the Subnautica Below Zero Map
Exploring the Subnautica Below Zero map is both thrilling and challenging. Understanding the layout of biomes, landmarks, and resource locations can make the difference between survival and disaster. From the Shallow Twisty Bridges to the dangerous Crystal Caves, every location offers unique rewards and dangers.
By using beacons, upgrading vehicles, and managing oxygen, players can safely navigate the underwater world and uncover the secrets of Planet 4546B. Whether you’re searching for hidden wrecks, rare minerals, or progressing through the storyline, mastering the Subnautica Below Zero map is the key to success.
So, gear up, dive deep, and uncover the mysteries that lie beneath the icy waves! 🚀🌊