Minecraft Java 1.21 Mods
Browse 750 free mods for Minecraft Java 1.21 — popular picks include Oceanlife, Money Bags, Nautilus Diver.
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Oceanlife
This project adds new Fish variants such as a shark that can attack you.
Money Bags
Sea Pickles and Bamboos to Money Bags
Nautilus Diver
A Vanilla Friendly Solution to the Longest Aquatic Problem!
SharkSquad - True Survivors
Survive against Titans in the apocalypse!
Sharks | Shark mobs for ItemsAdder
this addon adds a dangerous shark to your world and more!

Sea Shanty Discs
A mod adding sea shanty music discs.
Beyond the Reef
Enjoy ocean cities, skylands and more!
Water Enhanced
Expands ocean gameplay with new resources, gear, and aquatic mechanics while staying true to vanilla.
No Oceans
A datapack that removes oceans.
The Abyss Ocean
Reshape the entire world generation with this mod, the entire world turns into a deep-abyss ocean. Structures like Villages, Trial Chambers, and Strongholds rarely spawn.
Glowing sea panorama
Changes the backdrop of your main menu to a amazing looking glowing sea.
GrayScale Sea Lantern
Changes and optimizes Sea lantern to black and white. Perfect for modern/aesthetic builds!
better sea lantern edges
better sea lantern edges in Minecraft
Billy's Origins
Billys Origins is a hardcore player role based modpack with additions and content for every unique Origin. With enhanced sea floors to the stars in the sky you'll never find yourself bored.
Ocean Ruin Helper
Makes all ocean ruins VERY obvious by replacing the blocks you find in ocean ruins with an orange texture and the other non ruin blocks with a blue texture
AquaUI
An Aquatic Theme For Minecraft
Cool-Sea Panorama/Wallpaper
Changes the Panorama to a Cool-Sea image by Calvin Kinateder.
Blahaj cod
Turns your cod into the infamous ikea shark (5 variations)

CobbleCraft SMP - Oceanic Adventure
Cobblemon in Vanilla Minecraft with a few tweaks.
Ocean Panorama
A custom main-menu panorama depicting the ocean
Overworld - End Sea [Create Aeronautics]
This project adds an Aeronautics End Sea to the Overworld
Sharky's Better Vanilla
will increase performance and add's hud elements and other things to improve gameplay
Aquatic SMP Panorama
This resource pack makes your background of the minecraft main menu aquatic smp themed
CatShark
This resource pack adds a totem in the form of a cat in a shark costume.
Emberfall Trojan War
A modpack to live in a true ancient greek world, build cities, sail oceans and more!
Drown Panic
"An immersive mod that enhances survival atmosphere underwater with a wide screen vignette (tunnel vision) and realistic heartbeat sounds when drowning."
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

Frozen Waters
Players and boats will now freeze in the ocean!
Create: TFMG Deep Oil Fix
Fixes oil deposits from The Factory Must Grow spawning at a hardcoded Y level (-64), which breaks in deep oceans and custom terrain.
Shark Tank Server Pack
A create based modpack for shark tank server
Aquatic SMP Essentials
a pack to make your aquatic smp experience way better

CardBoard SharkMI Fork
Run Bukkit/Spigot/Paper plugins on Fabric servers - SharkMI fork with enhanced mixin compatibility
People Place Pack #2 - Waterworld
An ocean-themed modpack with a focus on being good for multiplayer servers.
Sea Green Hearts (Monochrome)
Changes the Minecraft Hearts to be Sea Green (Monochrome) – Part of the Pride Hearts collection.

Realistic Oceans
Adds realistic & deep oceans to minecraft
sharky's random ideas
my most random, wierdest and funny ideas