SUBNAUTICA / EXPLORATION

Base Hull Integrity

Habitat parts and depth affect the stress placed on seabase structures.

QUICK REFERENCEFirst SubnauticaReviewed 2026-10-28Reference / noindex

OVERVIEW

Understanding Base Hull Integrity

Habitat parts and depth affect the stress placed on seabase structures.

This is an original reference for the first Subnautica. Your current depth rating, oxygen, available tools and navigation route determine when an objective is practical. Follow actual in-game PDA and Fabricator information for any values that vary by version.

PRACTICAL APPROACH

How to use this information

Reinforce and inspect compartments after significant expansions.

COMMON MISTAKES

What to avoid

Flooding can damage utility until leaks are repaired.

CONTINUE ON VOLPEDIA

Related topics and walkthroughs

BASESReinforcement

A structure upgrade that increases hull integrity for deep or large habitats.

EXPLORATIONBeacon Navigation

Beacons provide reusable visual landmarks when terrain looks similar.

EXPLORATIONCave Navigation

Tight, dark caves create orientation and oxygen risks.

EXPLORATIONCreature Avoidance

Many threats can be bypassed safely with distance, cover and deliberate timing.

EXPLORATIONDeep Brine

Some Lost River brine pools can harm an unprotected swimmer.

EXPLORATIONDepth Rating

Vehicles are rated for certain water depths and can be upgraded with appropriate modules.

EXPLORATIONFood and Water Planning

Food and hydration are sustained by gathering, fabrication and later base systems.

Back to Survival Systems

Independent Volpedia editorial encyclopedia about the first Subnautica, reviewed 2026-10-28. Unaffiliated with Unknown Worlds Entertainment. Category illustrations are original diagrams, not in-game maps, screenshots or exact creature portraits. No fabricated damage statistics, spawn probabilities or detailed map coordinates. References are documented privately and not shown as outbound research buttons.