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GuidesUpdated 2026-05-25

Subnautica 2 Alien Ruins Location

Reach Alien Ruins in Subnautica 2 by preparing depth, route safety, and return landmarks before entering dangerous water.

Alien Ruins are not just another landmark. The route usually asks for more range, better oxygen planning, and a clear retreat path before you cross open water or deeper corridors.

A diver approaches glowing alien ruins through deep water

Quick Answer

Use this page as a route checklist: identify the target, check whether your oxygen and tools match the depth, then open the map before leaving base.

Before You Leave

  • Confirm the resource, scan target, or repair objective before swimming out.
  • Bring enough oxygen support or vehicle range for the return.
  • Mark a recognizable landmark before entering deeper terrain.
  • Check whether the route can be combined with another material or upgrade.

Why It Matters

This topic usually matters because it blocks the next useful step: crafting, scanning, safer travel, or a deeper objective. A planned route saves more time than a blind search.

Map Route

Open the world map for depth and nearby biomes. If this is a material run, compare it with the resources guide so you can group several pickups into one trip.

Early Access Note

Subnautica 2 is still in Early Access, so routes, recipes, callouts, and scan requirements can change after patches. Recheck the in-game recipe or objective before farming extra.