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Volpedia/Games/Subnautica/Guides/Seamoth And Moonpool Guide
SUBNAUTICA / GUIDES

Seamoth And Moonpool Guide

Build, maintain and upgrade a reliable Seamoth

FIVE-CHAPTER GUIDEFirst SubnauticaReviewed 2026-10-28
Original Volpedia schematic category illustration
OverviewCharacters8Creatures23Leviathans7Maps & Biomes21Vehicles10Equipment14Resources21Crafting14Base Building16Wrecks & Lifepods11Story10Progression8Survival Systems12Modes4Guides21Tips20Tools2
OVERVIEW

Understanding Seamoth And Moonpool Guide

Build, maintain and upgrade a reliable Seamoth

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

A Seamoth changes exploration from short free-dives into planned mobile scouting trips.

COMMON MISTAKES

What to avoid

Do not exceed the installed depth rating or treat the Seamoth as immune to predators.

VOLPEDIA SURVIVAL WALKTHROUGH

Step-by-step guide

01

Unlock the vehicle parts

Unlock the vehicle parts is a concrete milestone in this survival route, not a command to rush to the next depth. Start with Seamoth. A small one-person submersible suited to fast travel and many middle-depth scouting trips. Maintain hull integrity, use depth upgrades and learn how to dock at a Moonpool. The most common failure here is specific: Without the right module, a Seamoth cannot safely reach the deepest regions. Before leaving your staging point, review the equipment in your PDA, verify the depth of the objective and note which corridor you will take back. If you have not unlocked the required technology, scan fragments in known terrain and do a separate supply trip rather than risking all resources at once. The next connection is Titanium: A common construction metal obtained from outcrops and metal salvage processing. Keep a reserve for early tools, lockers, compartments and vehicle needs. Those two topics form a useful checkpoint: finish the present task, repair any worn equipment, refill oxygen or cells, and update Beacons before you continue. Remember the related limitation: Carrying all available titanium wastes inventory that could hold scarce resources. On this original-Subnautica route, a sensible plan is more valuable than a fixed set of unverified coordinates. Use this chapter as a decision path for your own save rather than assuming all fragments and resources have been found already.

02

Gather the crafting components

Gather the crafting components is a concrete milestone in this survival route, not a command to rush to the next depth. Start with Titanium. A common construction metal obtained from outcrops and metal salvage processing. Keep a reserve for early tools, lockers, compartments and vehicle needs. The most common failure here is specific: Carrying all available titanium wastes inventory that could hold scarce resources. Before leaving your staging point, review the equipment in your PDA, verify the depth of the objective and note which corridor you will take back. If you have not unlocked the required technology, scan fragments in known terrain and do a separate supply trip rather than risking all resources at once. The next connection is Mobile Vehicle Bay: A floating construction platform required to fabricate major vehicles. Deploy it in suitable open water near your staging base after scanning its fragments. Those two topics form a useful checkpoint: finish the present task, repair any worn equipment, refill oxygen or cells, and update Beacons before you continue. Remember the related limitation: It is not a vehicle you can drive or a permanent storage station. On this original-Subnautica route, a sensible plan is more valuable than a fixed set of unverified coordinates. Use this chapter as a decision path for your own save rather than assuming all fragments and resources have been found already.

03

Fabricate your Seamoth

Fabricate your Seamoth is a concrete milestone in this survival route, not a command to rush to the next depth. Start with Mobile Vehicle Bay. A floating construction platform required to fabricate major vehicles. Deploy it in suitable open water near your staging base after scanning its fragments. The most common failure here is specific: It is not a vehicle you can drive or a permanent storage station. Before leaving your staging point, review the equipment in your PDA, verify the depth of the objective and note which corridor you will take back. If you have not unlocked the required technology, scan fragments in known terrain and do a separate supply trip rather than risking all resources at once. The next connection is Moonpool: A docking module for Seamoth or Prawn Suit and an important upgrade hub. Plan depth clearance, a base power supply and vehicle approach before construction. Those two topics form a useful checkpoint: finish the present task, repair any worn equipment, refill oxygen or cells, and update Beacons before you continue. Remember the related limitation: A tight location can make docking awkward or impossible. On this original-Subnautica route, a sensible plan is more valuable than a fixed set of unverified coordinates. Use this chapter as a decision path for your own save rather than assuming all fragments and resources have been found already.

04

Construct Moonpool support

Construct Moonpool support is a concrete milestone in this survival route, not a command to rush to the next depth. Start with Moonpool. A docking module for Seamoth or Prawn Suit and an important upgrade hub. Plan depth clearance, a base power supply and vehicle approach before construction. The most common failure here is specific: A tight location can make docking awkward or impossible. Before leaving your staging point, review the equipment in your PDA, verify the depth of the objective and note which corridor you will take back. If you have not unlocked the required technology, scan fragments in known terrain and do a separate supply trip rather than risking all resources at once. The next connection is Seamoth Depth Module: A vehicle upgrade family that increases the Seamoth's survivable operating depth. Check the installed tier against the next biome before descending. Those two topics form a useful checkpoint: finish the present task, repair any worn equipment, refill oxygen or cells, and update Beacons before you continue. Remember the related limitation: A depth warning is not a suggestion to push farther for a few extra seconds. On this original-Subnautica route, a sensible plan is more valuable than a fixed set of unverified coordinates. Use this chapter as a decision path for your own save rather than assuming all fragments and resources have been found already.

05

Upgrade depth and keep repair supplies

Upgrade depth and keep repair supplies is a concrete milestone in this survival route, not a command to rush to the next depth. Start with Seamoth Depth Module. A vehicle upgrade family that increases the Seamoth's survivable operating depth. Check the installed tier against the next biome before descending. The most common failure here is specific: A depth warning is not a suggestion to push farther for a few extra seconds. Before leaving your staging point, review the equipment in your PDA, verify the depth of the objective and note which corridor you will take back. If you have not unlocked the required technology, scan fragments in known terrain and do a separate supply trip rather than risking all resources at once. The next connection is Seamoth: A small one-person submersible suited to fast travel and many middle-depth scouting trips. Maintain hull integrity, use depth upgrades and learn how to dock at a Moonpool. Those two topics form a useful checkpoint: finish the present task, repair any worn equipment, refill oxygen or cells, and update Beacons before you continue. Remember the related limitation: Without the right module, a Seamoth cannot safely reach the deepest regions. On this original-Subnautica route, a sensible plan is more valuable than a fixed set of unverified coordinates. Use this chapter as a decision path for your own save rather than assuming all fragments and resources have been found already.

CONTINUE ON VOLPEDIA

Related topics and walkthroughs

BASESMoonpool

A docking module for Seamoth or Prawn Suit and an important upgrade hub.

PROGRESSIONSeamoth Upgrade Route

Progress from the first vehicle to depth upgrades, repairs and Moonpool support.

GUIDESBase Building And Power Guide

Build habitats that support long-term exploration

GUIDESCyclops Complete Operations Guide

Use the Cyclops as a mobile deep-sea expedition platform

GUIDESFirst Oxygen And Water Guide

Maintain oxygen and water during the first days

VEHICLESSeamoth

A small one-person submersible suited to fast travel and many middle-depth scouting trips.

VEHICLESSeamoth Depth Module

A vehicle upgrade family that increases the Seamoth's survivable operating depth.

Back to Guides
ON THIS PAGE5-CHAPTER GUIDE · Original SubnauticaAll Guides Guides Tips RELATED REFERENCESMoonpoolSeamoth Upgrade RouteBase Building And Power GuideCyclops Complete Operations GuideFirst Oxygen And Water Guide

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.

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