Phantom Submarine
🟡 Updated this year⚠️ Install Order · 2 steps
Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.
Preview
🔍 Analysis
- 👍 1.2% endorsement rate — high engagement, a strong quality signal
- ✅ Updated 260 days after the latest game patch — actively maintained
- 🏆 #12 of 124 Vehicles and Upgrades mods in this game by downloads
📋 About This Mod
This mod is now updated for the latest Subnautica version (2025)
The Phantom is a medium size submarine designed to navigate dangerous territory. Its heavily armoured hull allows it to withstand the heaviest of leviathan attacks.
- The Alterra Phantom is powered by Blizzcorp software -
It features:
- Forward observation deck with manual control seat
- External dock for transportation of smaller vehicles (Prawn Suit compatible)
- Preinstalled fabricator module
- Extensive storage capacity
- Carbon reinforced plasteel hull to protect against creature attacks
- Onboard AI for threat detection and ease of operation
- Automatic attitude adjustment capabilities
- Some customization options
- Foldable sleeping berth for a single crew member
- Top Speed: 11m/s
- Acceleration: 2m/s/s
- Power: 6 replaceable power cells
- Dimensions: 12m x 5m x 15m
- Persons: 1-2
NB The Phantom does NOT feature:
- Sleeping berth for a second crew member: An Alterra SleepSack (sold separately) is recommended for this
- Silent running: Unlike the popular Alterra Cyclops, the Phantom does not feature silent running modes
- Invisibility: Although the name suggests it, this submarine is not invisible
- Upgrade fabrication methods: A separate moonpool with a vehicle upgrade console is required to fabricate upgrades for this submarine
'The Alterra Phantom: The strongest submarine around.'
Phantom - Subnautica Modding Wiki
It doesn't work, what should I do?
Try update or reinstall vehicle framework and nautilus
Adds the Alterra Phantom, a heavily armored medium submarine with an external Prawn Suit dock, designed for navigating dangerous territory. A popular vehicle mod with 847 endorsements and over 70,000 downloads, last updated in June 2026.
✨ Key Features
📊 Pros & Cons
✅ Pros
- Community favorite with 847 endorsements and 70k+ downloads—clearly a hit.
- Heavily armored hull means you can take a beating and keep exploring.
- External Prawn Suit dock is a game-changer for seamless vehicle transitions.
⚠️ Cons
- Potential conflicts with other vehicle mods or game updates—check before adding.
For Subnautica players who want a tough, combat-ready submarine to explore dangerous biomes. Perfect for those who love the Prawn Suit and want a mobile base to carry it. Skip if you prefer lightweight, agile subs or want deep customization options.
💡 Beginner Tips
- Make sure to have a vehicle bay or moonpool to construct the Phantom—check the in-game build menu.
- If you're using other vehicle mods, test the Phantom in a creative save first to avoid conflicts.
- The Prawn Suit dock is external, so practice docking in open water to avoid clipping issues.
📊 Mod Details
- Game
- Subnautica Mods
- Author
- Blizzard and Corsair
- Version
- 4.0.0
- Downloads
- 70,441
- Endorsements
- 847
- Category
- Vehicles and Upgrades
- Created
- 2/14/2024
- Updated
- 6/20/2026
🧩 Commonly Used Together
Users add these mods to the same collections — a real compatibility signal, not an AI guess.
🔧 How to Install Subnautica Mods
Download from Nexus.
📖 Full step-by-step install guide for Subnautica →
Visit the official mod page for specific installation instructions for this mod.
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