ModsFinder

NeoReefRedux

by Andriyko69

Coral reefs generated by vanilla Minecraft sit flat on the seabed, and NeoReefRedux replaces them with rocky coral outcrops that look more natural underwater.

NeoForgeServer-side onlyGNU General Public License v3.0 or laterOpen source1.21.1

What it does

NeoReefRedux changes coral reef world generation. Instead of coral growing directly on a flat seabed, reefs now generate as rocky outcrops that spread into varied, natural-looking underwater terrain. The mod works with vanilla coral blocks, so the existing coral types keep their look.

The mod runs on the server only, so players join a server running it without installing anything. It is released under the GNU General Public License v3.0 or later and is open source, with public source code and an issue tracker. The only published build is 1.0 for 1.21.1, released on 2026-03-03 for NeoForge.

Key features

  1. Rocky coral reefs

    Reefs generate as rocky formations with coral growing on them, instead of thin layers on flat seabed.

  2. Natural shapes

    Outcrops vary in height and spread, so the underwater terrain looks less uniform across a world.

  3. Vanilla coral support

    The reefs use vanilla coral blocks, so the generated coral matches the blocks players already know.

  4. Config option

    A config option lets server owners adjust the generation of the reefs.

Compatibility

Latest build for each game version and loader.

1.21.11.0
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

How it compares

Full comparison

Spongey Reefs is another reef generation mod for NeoForge and Fabric, server-side only, with All rights reserved as its license and files for 1.21.1 – 26.3. Coral's Lost Buildings is a client and server mod for Fabric and NeoForge covering 1.21.1 – 1.21.11, released under a Creative Commons non-commercial, no-derivatives license and not open source. NeoReefRedux is open source under the GNU GPL v3.0 or later and is published for NeoForge only, for 1.21.1.

ModLoadersGame versionsEnvironmentUpdated
NeoReefReduxNeoForge1.21.1Server-side only2026-03-03
Spongey ReefsFabric and NeoForge1.21.1 – 26.3Server-side only2026-09-21
Coral's Lost BuildingsFabric and NeoForge1.21.1 – 1.21.11Client and server2026-01-22

Questions

Does NeoReefRedux need to be installed on the client?

No. Only the server needs it, and players join without installing anything.

Which loader and version does NeoReefRedux support?

The mod is published for NeoForge only, with a single build, 1.0, for Minecraft 1.21.1.

Can server owners change how the reefs generate?

Yes. The mod has a config option for the reef generation, and the server owner can change it there.

In the catalog

NeoReefRedux is one of 8,515 World generation mods on ModsFinder, and one of 4,175 World generation mods for NeoForge. 32,366 mods support Minecraft 1.21.1.

World generation mods8,515NeoForge modsMods for 1.21.132,366

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Biomes O' Plenty1.7.10 – 26.3Cobblemon1.19.2 – 1.21.1Terralith1.18.2 – 26.3YUNG's Better Nether Fortresses1.18.2 – 26.1.2Dungeons and Taverns1.19 – 26.3Yeetus Experimentus1.18.2 – 26.3

What the author says

This mod improves coral reef world generation by replacing the flat vanilla reefs with natural rocky formations. Instead of coral growing directly from a flat seabed, reefs generate on rocky outcrops that create more varied and natural-looking underwater terrain.
Andriyko69, on the Modrinth page

Official listing

Owner
Andriyko69
Published
2026-03-03
Updated on Modrinth
2026-03-03
Facts verified
2026-10-15

Tags

World generationAdventure
Open on ModrinthCompare