SUBNAUTICA / BIOMES

Safe Shallows

The low-risk starting biome with coral, limestone outcrops and many survival basics.

QUICK REFERENCEFirst SubnauticaReviewed 2026-10-28Reference / noindex
Original Volpedia schematic category illustration
OVERVIEW

Understanding Safe Shallows

The low-risk starting biome with coral, limestone outcrops and many survival basics.

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

Establish a basic water and food loop here, then use nearby edges as exploration gateways.

COMMON MISTAKES

What to avoid

Do not confuse an easy starting biome with infinite oxygen or guaranteed safety inside caves.

CONTINUE ON VOLPEDIA

Related topics and walkthroughs

GUIDESBiomes And Safe Navigation

Navigate Subnautica from the shallows to the deep caves

BIOMESBlood Kelp Trench

A narrow deeper bloodvine region offering one possible route toward advanced zones.

BIOMESBlood Kelp Zone

A dark biome with white bloodvine and connections toward Lost River.

BIOMESBulb Zone

A northeastern biome with bulbous blue plants and several hostile animals.

BIOMESCrash Zone

The wrecked Aurora region, containing dangerous terrain, debris and Reaper patrols.

BIOMESCrater Edge

The ecological dead zone beyond the playable crater, patrolled by adult Ghost Leviathans.

BIOMESDunes

An open sandy biome associated with Reapers and scattered resources.

Back to Maps & Biomes

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.