Mods for Minecraft Java
Browse 137 free mods for Minecraft Java — popular picks include Realistic Terrain Movement, Pets Load Chunks, No Air Mining Penalty.
Updated daily
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.
Pets Load Chunks
Loads the chunks tamed pets are in, enabling use of them as chunk loaders while they're sitting around and fixing teleportation across oceans.
No Air Mining Penalty
removes the default mining speed penalty when the player is underwater or not standing on solid ground
Aquatic Plugin
This is a Minecraft Plugin wich adds many Ocean and Fish releated things to Minecraft
Ore Minus
Customize Minecraft ore spawn rates by biome. Easily set multipliers for vanilla and modded ores (e.g., 2x diamonds in deserts, zero coal in ocean). Essential modpack ore distribution tool.
UnderWater Pressure
This mod adds water pressure mechanic
Water Depth Fog
Underwater fog gets darker and closer the deeper you dive — a purely visual atmosphere mod for deep-ocean gameplay. Client-side.
Better Turtle Helmets
Reworks the turtle helmet to provide continous water breathing underwater at the cost of losing durablility overtime.
Redstone Underwater
Redstone can now be waterlogged!
Exodus 14:27
Fixes MC-278019 bug to restore sea level in superflat worlds.
Fish Rework - Fishing
A plugin that reworks the fishing mechanic, by fishing up unique sea creatures instead of normal fish. Custom drops, items, armor, weapons, skill progression, recipes, custom GUI, advancements, artifacts and more.

Simple Mermaid Tails
This Mod adds Mermaid Tails, thats it. This is kinda a fork from my Mako Mermaids Mod but without the Powers etc.
Depths Reborn
This mod adds the Nautilus. Work will also be done to add some aquatic mobs and mob votes, such as the crab and The Monster Of The Ocean Depths, as well as others.
Ocean's Delight: Expanded
Expanded version of Ocean's Delight mod by Scouter456. Adds salt production, new seafood recipes, dolphin treats, and fishing loot integration.
Fruit of Thieves
A mod that adds fruit from sea of thieves
Create: Flood Pulley
An addon for Create that adds a variant of the Hose Pulley without the bottomless supply mechanic, so you can drain perimeters and fill whole oceans.
Lunar Origins: Wopol
An aquatic Origin for the Origins mod. Requires Lunar Origins Core.
ClimateCraft
Adds climate change mechanics. Building, mining, and smelting emit CO2, plants absorb it. Keep the environment in balance or suffer sea level rise, droughts, and wildfires!
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
Old Continents Slider
Remember when Minecraft had real oceans? Until 1.6.4, the world was big continents floating in a huge ocean. Since 1.7.2, it's an infinite landmass with elongated lakes.
Poseidon - Underwater Survival
Shipwrecked and stranded underwater. Breathe, build, and survive in a fully aquatic island world.
Water Enhanced
Expands ocean gameplay with new resources, gear, and aquatic mechanics while staying true to vanilla.
ICanGamez Better Fishing
This adds new fishing rods, Fishes, Gear, Weapon, And much more aquatically themed! Just a boost in the fishing experience!
Boats On Ice
Do you wish that boats in Minecraft were faster? With this Mod, boats in water act as if they are on ice! No more paddling around an ocean for hours, its time for warp speed!
Drown Panic
"An immersive mod that enhances survival atmosphere underwater with a wide screen vignette (tunnel vision) and realistic heartbeat sounds when drowning."

Blue Oceans
Blue Oceans is a technology-adventure mod designed to enhance the player's gaming experience by incorporating real-life items.It also includes some magical items.
Fishing Aquatica Expanded
Making fishing better one step at a time.
Origins: Flying Fish
Flying Fish — fragile aquatic race with 5 ❤️. Breathes underwater (Oxygen resource, 0–100) but suffocates on land. Has built-in elytra, water blades, high swim speed. Weaknesses: fire, slowness on land, oxygen drain in Nether/flight/deserts.
Harpooned
Shoot Harpoon on underwater as wind!
UnderPressure
a realistic underwater experience by simulating the effects of water pressure on players as they dive deeper into the ocean.
Breathe Underwater
A simple mod to let you breath under water without any potion effect Theres many dangers already, dont let the sea be other
Pantry
Pantry adds food aging, preservation, cellars, and salt from ocean water.
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
Stay Flooded!
A mod that prevents air pockets from forming when submerged blocks are destroyed, perfect for an aquatic playthrough :-)

Survival Sickness
Survival Sickness adds a deeper survival health system to Minecraft. Players can catch diseases from bad weather, mobs, unsafe food, desert heat, freezing, low sleep, wounds, and underwater strain.
FogBeGone
A customizable client-side mod that lets you tweak underwater, lava, status effect, and dimension fogs.