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Minecraft Java 1.21 Mods

Browse 17 free mods for Minecraft Java 1.21 — popular picks include Aquamirae [Neo/Forge Edition], Hybrid Aquatic, Unusual Fish.

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Aquamirae [Neo/Forge Edition]
1.21.1neoforge

Aquamirae [Neo/Forge Edition]

Ship graveyard with terrible deep sea creatures!

46Mdownloads
Hybrid Aquatic
1.21.1neoforge

Hybrid Aquatic

A mod that expands upon Minecraft's aquatic life

4.7Mdownloads
Unusual Fish
1.21.1neoforge

Unusual Fish

Adding fictional fish and other aquatic creatures!

3.9Mdownloads
Ben's Sharks
1.20.1forge

Ben's Sharks

A simplistic approach towards one of the ocean's most complex creatures.🦈

2.0Mdownloads
L's Ocean Trader
1.21.8neoforge

L's Ocean Trader

adds a new villager, the Ocean Trader and his lighthouse

395kdownloads
Treasures of the dead
1.21.1neoforge

Treasures of the dead

This is a mod that adds new pirate enemies, structures and many other features, inspired by Sea of thieves.

71kdownloads
In the depths
1.20.1forge

In the depths

A mod that adds a gigantic creature to the deep oceans of Minecraft.

30kdownloads
Deep Blue
1.20.4fabric

Deep Blue

Adds 10 majestic ocean creatures — whales, sharks, giant squid, and more — along with 15 new items including weapons, food, and crafting materials to bring the deep seas to life.

5.5kdownloads
More Tide Fish
1.21.1neoforge

More Tide Fish

Added some dangerous deep ocean fish to Tide⚡️

4.3kdownloads
Useful Sharks
1.21.1neoforge

Useful Sharks

I added sharks because mojang won't

2.6kdownloads
Beyond The Ocean
1.21.1neoforge

Beyond The Ocean

A Mod that let´s you explore beyond the oceans of minecraft. New ocean themed planets on a post End level difficulty. New structures, mobs, items and technologies. New adventures and a new story ready to be told.

2.4kdownloads
Glow Squid Trident Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Glow Squid Trident Resource Pack (1.21.1, 1.20.1) – Texture Pack

Glow Squid Trident Resource Pack simply turns the Trident into the 3D Model of a Glow Squid. With this slight pack installed, a Glow Squid Trident could be used as a weapon or item in a game featuring underwater environments or creatures. Turning the Trident into the 3D model of a Glow Squid is a […]

Sea Myths: Legendary Ocean Monsters & Bosses Creatures
1.20.1forge

Sea Myths: Legendary Ocean Monsters & Bosses Creatures

Face the Leviathan, Kraken, Bloop, Protector, and Sea Eater! Adds 7 massive ocean bosses and sea monsters with powerful scale armor. Includes rideable Bloops!

15kdownloads
Dwellers Of The Deep
1.19.2neoforge

Dwellers Of The Deep

Adds 3 sea creatures and 1 penguin-like creature to scare you

4.1kdownloads
Mermaidia Culture (In Progress)
1.21.1forge

Mermaidia Culture (In Progress)

A Tropical Mod that adds new ocean themed blocks, variants to already existing blocks, mermaid tails, mobs, and more!

3.5kdownloads
Ruined MC Live Mod (1.21.10) – Ride Giant Pufferfish and Fight Roman Armies
1.21.10

Ruined MC Live Mod (1.21.10) – Ride Giant Pufferfish and Fight Roman Armies

Ruined MC Live Mod brings a bunch of crazy and funny ideas from a live chat straight into your game. It fills your world with weird new mobs, joke weapons, and silly features that change how you play. You can meet strange sea creatures, fight ancient armies, and use items in ways you never expected. […]

Sea Weapons Mod (1.21.11) – Smash Hostile Mobs with Heavy Ocean Weapons
1.21.11

Sea Weapons Mod (1.21.11) – Smash Hostile Mobs with Heavy Ocean Weapons

Sea Weapons Mod adds heavy ocean-themed gear to your game for when standard tridents just do not cut it. It gives you unique items like a giant hammer and a special sword. You get new ways to attack, jump, and pull yourself around the world. The mod also includes special enchantments and cosmetic skins to […]