Minecraft Java 1.21 Mods
Browse 23 free mods for Minecraft Java 1.21 — popular picks include Myths of The Sea, Bedrock Ranged Mobs, Fish Fix.
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Myths of The Sea
Discover new mythological aquatic creatures, such as the Leviathan, the Kraken, the Hippocampus, and many more!
Bedrock Ranged Mobs
Makes Skeletons that are underwater and trident drowneds less than 3 blocks away from the player do melee instead of ranged attacks, like in bedrock edition
Fish Fix
Amends hardcoded sea level assumptions to fix aquatic mob spawning.
Blue Depths
This is a datapack that improves the Minecraft ocean and river ecosystem by adding new mobs, blocks, and a brand new ocean boss. The new sea creatures include Orcas, Sharks, Sturgeons, Jellyfish, Catfish, and Tuna
Aquatic Breeding
Adds a way for fish and squid to breed, manual and automatic! Fish eat Fish Flakes, Squid hunt for live prey! Breed Tropical Fish of all colors and patterns!
Cyra
A Minecraft mod that reveals the secrets of the ocean!
Realistic Terrain Movement
Movement speed varies by terrain block, boats break in oceans, at mountain peaks high-altitude winds push players around. Designed to encourage the use of external transport mods, particularly Create Aeronautics.
Aquatic Plugin
This is a Minecraft Plugin wich adds many Ocean and Fish releated things to Minecraft
Monster Origins
(WIP) Minecraft 1.20.1 (and now 1.21.1) / Fabric addon for Origins that adds four origins Arachne (a humanoid spider), Medusa (a gorgon), Harpy (a storm-wind bird-woman), and Mermaid (a singer of the deep) each built around a different playstyle
Water Enhanced
Expands ocean gameplay with new resources, gear, and aquatic mechanics while staying true to vanilla.
Aquatic Creatures
Did you know we know most about the space than own ours oceans? I want to make you feel that with this mod
sharky's random ideas
my most random, wierdest and funny ideas
Aquatica - 0.1 Actual Fishing
This datapack aims to add to the aquatic regions of Minecraft. The 0.1 version overhauls the fishing system.
FishMating
Bring your underwater world to life by letting fish breed naturally when players throw seeds into water! 🌊🐠✨
Aqua Verse
AquaVerse expands aquatic biodiversity of minecraft
DrownedOverhaul – A Deep Sea Threat Awaits
DrownedOverhaul transforms Minecraft’s oceans into a place of genuine peril. This plugin completely reimagines the behavior of Drowned mobs, turning them from passive nuisances into coordinated threats lurking beneath the waves.
JellyFishy
Introduces a brand new mob for the ocean (Jellyfish) just like in real life this mob groups up (10-20 in a group) and basically just moves freely also dont touch em!
Under The Seas
Discontiued For Certain Amount Of Time A new gameplay to minecraft by exploring the darkness of the sea
DrownedOverhaul
Drowned mobs can now grab and drag players underwater. A dangerous new twist to ocean survival!
Fish Bonanza Mod (1.21.1, 1.20.1) – New Aquatic Creatures
Fish Bonanza Mod adds a large number of new fish. The mod focuses on increasing variety in what can be caught while fishing, without changing core fishing mechanics. All fish are obtained through regular fishing and integrate naturally into the existing game flow. Features: Adds around 100 new fish types to the game. New fish […]
Bucketable Data Pack (1.21.1, 1.20.1) – Mob in a Bucket
Bucketable Data Pack adds a new mechanic to Minecraft that makes it easy to transport any mob. Bucketable allows you to use a Water Bucket to capture a creature inside. Like how you can do it with aquatic mobs such as axolotl, tadpole, and fishes, if you have a Water Bucket in your hands when […]
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
MegaGanDon
MegaGanDon is a giant aquatic mob (megalodon) for Fabric 1.21.x: realistic swimming, neutral behavior with aggro when attacked, jumping on land, spawning eggs, sponge drops, and localization. Lightweight and customizable.