Minecraft Java 1.21 Mods

Browse 23 free mods for Minecraft Java 1.21 — popular picks include Aquamirae [Neo/Forge Edition], Illager Warship, Realm RPG: Sea Dwellers.

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23 mods

1.21.1neoforge

Aquamirae [Neo/Forge Edition]

Ship graveyard with terrible deep sea creatures!

46Mdownloads

1.21.1neoforge

Illager Warship

Adds a big illager warship to the oceans

12Mdownloads

1.21.1neoforge

Realm RPG: Sea Dwellers

Underwater villages and sea traders with random generation. Vanilla style.

7.4Mdownloads

1.21.11neoforge

Underwater Village - Oceanic Structures

Discover a lot of new oceanic structures!

4.7Mdownloads

1.21.1neoforge

Hybrid Aquatic

A mod that expands upon Minecraft's aquatic life

4.7Mdownloads

1.21.1neoforge

Unusual Fish

Adding fictional fish and other aquatic creatures!

3.9Mdownloads

1.21.1neoforge

Myths of The Sea - Mythology Mobs!

Discover new mythological aquatic creatures, such as the Leviathan, the Kraken, the Hippocampus, and many more!

854kdownloads

1.21.11neoforge

Illager War Trireme

Adds an Illager War Trireme to warm ocean biomes

761kdownloads

1.21fabric

Aquatic Creepers

New creepers that can appear in the oceans! Discover the new items and increase the difficulty of the ocean.

608kdownloads

1.21.8neoforge

L's Ocean Trader

adds a new villager, the Ocean Trader and his lighthouse

395kdownloads

1.21.11fabric

Old fisherman swamp house

adds an old fisherman’s house to swamp biomes, with villagers and aquatic mobs beneath it

273kdownloads

1.21.8neoforge

Asian Illager Ship

Adds an Asian Illager Ship to Ocean Biomes

75kdownloads

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

1.20.1forge

fapdos' Aquatic Additions

Adds many new fish creatures and underwater decorations to the game

32kdownloads

1.21.1neoforge

More Tide Fish

Added some dangerous deep ocean fish to Tide⚡️

4.3kdownloads

1.21.1neoforge

Useful Sharks

I added sharks because mojang won't

2.6kdownloads

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

1.21.1fabric

Shell Seekers

Adds 7 types of shellfish to ocean floors with pearls that summon Endermen when thrown.

1.9kdownloads

1.21.1neoforge

Eternal Ocean

An ocean world with creatable ships along with many new fishes and other creatures. Swimming and fishing are overhauled, along with plenty of new structures and biomes to explore.

165downloads

1.21.1fabric

Mythical Origins Mod (1.21.1, 1.20.1) – Based Around Popular Mythical Beasts

Mythical Origins Mod is an addon for the Origins mod, it adds 5 new origins, which are all based around classic mythical creatures. It has 5 origins included, which are "Werewolf", "Mermaid", "Dragon", "Elf", and "Fairy". Features: Werewolf Werewolf Activate – When night strikes, you are able to activate a series of powers that help […]

S

1.21

SeaCreatures

Fish up living sea creatures instead of normal loot! Features custom variants with glowing effects, potion buffs, and custom equipment. Integrates with AuraSkills for level-based progression - unlock rare creatures as you level up fishing. Fully configurab

125downloads

1.21.1neoforge

SGS Cogs & Creatures

This modpack is for the Swansea Gaming Society Create & Cobblemon hybrid pack

298downloads

1.21.1

RPG: Better Elder Guardian Mod (1.21.1, 1.20.1) – Powerful Elder Guardian & More!

The Elder Guardian is a mini boss that is found in ocean monuments. It is a powerful mob that uses charged attacks to fight the player. Defeating it will grant the player control over the ocean monument, allowing him to loot the structure and to build guardian farms. For many players, fighting the Elder Guardian […]