Subnautica does not give you an in‑game world map, but the community has built several excellent maps and orientation tricks that effectively solve this problem.

World layout in brief

  • The play area is essentially a circular volcanic crater with your lifepod near the center of the map.
  • The Aurora crash site dominates the east side; two key islands sit roughly northeast (Mountain Island) and southwest (Floating Island).
  • Biomes radiate outward in “rings”: safe shallows and kelp forests near the center, then grassy plateaus, and progressively deeper, more dangerous zones like the Dunes and Grand Reef farther out.

Using an interactive Subnautica map

  • Fans maintain an up‑to‑date interactive Subnautica map that lets you toggle biomes, wrecks, alien bases, lifepods, leviathan spawns, and more.
  • You can switch layers (biomes, major cave systems, wrecks, points of interest) on and off to keep things readable while planning routes or hunting specific resources.
  • The site also shows and accepts coordinates , so you can match what you see in‑game (via the debug position readout) to exact locations on the map.

Key biomes and coordinates

  • Safe Shallows and Kelp Forest: Immediately around your starting lifepod, rich in early food and basic crafting materials.
  • Grassy Plateaus: Around coordinates like roughly 362,−90,21362,-90,21362,−90,21, with wide red grass plains, better minerals, and some hostile fauna.
  • Crash Zone (around the Aurora): Near 453,−13,−180453,-13,-180453,−13,−180, full of scrap and crates but with increased danger from radiation and predators.
  • Mountains and Mountain Island: To the northeast; steep slopes, rare ores, and heavy predator presence plus a major alien structure on the island.
  • Dunes and Grand Reef: Farther out, very resource‑rich but among the most dangerous regions, with multiple large predators and deep‑water navigation challenges.

Cave and late‑game areas

  • Community map projects often include separate overlays for cave systems like Jellyshroom Cave, Lost River, and the Inactive Lava Zone.
  • These maps highlight entrances, depth changes, and connections between caves using arrows or color‑coding, helping you plan safe descent routes and escape paths.

Forum discussions and custom maps

  • On forums like Reddit, players regularly post spoiler‑free and hand‑drawn versions of the Subnautica map, including simplified layouts for use on a second monitor.
  • Ongoing threads also debate whether the lack of a built‑in map is a deliberate design choice to enhance tension and exploration, or a friction point that community tools are “fixing.”

TL;DR: Use a community interactive Subnautica map in a browser, learn the basic compass landmarks (Aurora east, islands NE/SW), and note coordinates of anything important; together, that effectively gives you a full, practical Subnautica map.

Information gathered from public forums or data available on the internet and portrayed here.