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Minecraft Java 1.21 Mods

Browse 141 free mods for Minecraft Java 1.21 — popular picks include YUNG's Better Caves (Forge/NeoForge), Aquamirae, Ocean Floor - Clay Sand and Dirt.

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141 mods

1.20.1forge

YUNG's Better Caves (Forge/NeoForge)

Overhauled cave generation, underground lakes and rivers, lava oceans, and more!

56Mdownloads

1.21.1neoforge

Aquamirae

Ship graveyard with terrible deep sea creatures!

9.8Mdownloads

1.21.1neoforge

Ocean Floor - Clay Sand and Dirt

Spawns patches of Clay, Sand, and Dirt, within the Deep Dcean layer of boring gravel

8.9Mdownloads

1.21.11neoforge

Underwater Village - Oceanic Structures

Discover a lot of new oceanic structures!

4.7Mdownloads

1.21.1

Repurposed Structures - Better Ocean Monuments Compat

Change RS Monuments to be in Better Ocean Monument's style

2.2Mdownloads

1.21.10forge

Awesome Dungeon Ocean

This mod adds dungeons to your ocean, like boat, ruin..

1.7Mdownloads

1.20.1fabric

YUNG's Better Caves (Fabric)

Overhauled cave generation, underground lakes and rivers, lava oceans, and more!

1.7Mdownloads

1.21.1neoforge

FTB OceanBlock 2

Nothing but endless ocean. No land. No rescue. You’re alone - or so you think...

1.4Mdownloads

1.21.1neoforge

Ocean World Dimension

Explore an endless ocean in the Deep Sea dimension!

615kdownloads

1.21.10fabric

Aquatic Additions

Aquatic Additions completes the vanilla turtle armor and adds an upgraded version to enhance underwater exploration

506kdownloads

1.21.1neoforge

Create: Stranded at Sea

An ocean survival, centered around create automation, adventure, and a fully integrated economy system.

295kdownloads

1.19fabric

Unnamed Sea

Additional structures for the sea and beach biomes, focusing on an immersive expansion for the vanilla game.

259kdownloads

1.21.1neoforge

[HUGE UPDATE] Fisherman's Haven

A huge expansion for fishing and ocean exploration in Minecraft!

192kdownloads

1.21.1neoforge

Sky Archipelago

Sky Archipelago adds a new floating-islands world generation. High degree of configurability, such as island density, sizes, Y-spawn heights, ocean or void and much much more!

170kdownloads

1.20fabric

Aetherial Islands

Datapack that creates a whimsical floating islands world, with mountains, rivers, and floating ocean bowls!

112kdownloads

1.20fabric

One Survival Island

Datapack that creates a Single Survival Island in an Infinite Ocean World

101kdownloads

1.21

Sunveil

Enhanced Minecraft visuals with dynamic sun-tracking shadows, crystal-clear underwater exploration, warm golden lighting, and smooth anti-aliased shadow edges. Features realistic water reflections and optimized performance for all worlds.

96kdownloads

1.21fabric

Big Globe - YUNG's Better Ocean Monuments Compatibility

Data pack to generate YUNG's Better Ocean Monuments in a Big Globe world.

60kdownloads

1.20fabric

Better Cave Worlds

Datapack that creates Cave Worlds, based on the old preset, featuring all biomes, ocean caves, and most structures.

56kdownloads

1.20

Skylands over the Sea

Datapack that creates sky island worlds floating over an endless ocean.

45kdownloads

1.20fabric

Revamped Floating Islands

Datapack that creates Floating Island worlds based on the old preset, with all biomes and structures. Additionally featuring floating oceans and rivers.

44kdownloads

1.19fabric

No More Ocean Monuments

Removes ocean monuments from the world generation.

43kdownloads

1.18.2

No More Ocean Ruins

Removes ocean ruins from the world generation.

32kdownloads

1.21

Water World

Raise sea level to 127.

29kdownloads

1.20

Angel Islands

Datapack that creates worlds with floating islands over the oceans for the default world.

27kdownloads

1.19.2forge

Temperature Bands

Modifies world generation to place biomes into repeating temperature bands. Compatible with most worldgen mods. Now with humidity based on proximity to river and/or ocean too!

26kdownloads