Lost River

by saddydead1 · on Modrinth

Minecraft mod adding experience from Subnautica. Free Minecraft Java mod for 1.21.1.

⬇ Download on Modrinth

Open in MC Java Mods Get it on Google Play →

Important! Version 1.21.1 lacks many features from version 1.20.1

Lost River is an exciting Minecraft mod that takes players to the mysterious and dangerous planet 4546B from the game Subnautica. Immerse yourself in an unforgettable underwater adventure, exploring the endless depths of the ocean, full of dangers and unexplored secrets.

To get into the dimension of planet 4546B you need to build such a portal, just like the portal to the nether

Verified by MCModsHub

Ships as lostriver-1.0.0-beta5.jar — drop this file into the mods folder
Download size: 7.5 MB
Download link checked 30 Aug 2026 — working

These come from our own check of the pack file, not from the source page.

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All Mods for Java All Minecraft Java mods Java mods for 1.21