Mods for Minecraft Java
Browse 1,127 free mods for Minecraft Java — popular picks include Create: Flood Pulley, Sharks with Lasers, Mo' Creatures StationAPI.
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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.
Sharks with Lasers
A minecraft mod for Evil villains that mean Business
Mo' Creatures StationAPI
DrShark's Mo' Creatures from beta 1.7.3 on Babric + StationAPI
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
Cinch's Extra Torches
This mod adds two new types of torches that can be placed underwater. They are glowstone and glow ink torches.
Motley Fins
Updates aquatic biomes, adding blocks and a new mob!
No Glow Squids?
Fixes the superflat sea level causing glow squids and other aquatic mobs from not spawning
DivingPack
With this Mod you will have a better experience while diving underwater than in the vanilla version of minecraft. This modpack adds new item such as diving fins and an oxygen tank to the game.
Tropical World
All-ocean overworld: a sunlit tropical sea of turquoise water and sandy islands with hidden oases. Built on Isekai API.
Aqualung
The recipe combines glass, a nautilus shell and a turtle scute to create a useful diving item for long underwater trips.
Breath Kelp
Vanilla kelp now acts as a quick underwater breathing source.
Origins:Aquanoid
An ancient race whose bodies are composed of condensed moisture. They thrive in the aquatic realm of the Edge but suffer discomfort and slowed movement in the fiery Lower World.
Zeeraket
Adds sea rocket (Cakile maritima), a glabrous, succulent annual, with a slender or stout taproot.
Sea Urchin
This mod adds a sea urchin. Sea urchin can drop a item. A Item can be used for cooked sea urchin
Lunar Origins: Wopol
An aquatic Origin for the Origins mod. Requires Lunar Origins Core.
Oceanic Plus
Oceanic Plus is a mod meant to improve ocean exploration by making it more rewarding.
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!
Better Structures Maps
Client-side mod that renders precise block distance to map decorations including woodland mansions, ocean monuments, villages, trial chambers, swamp hut, treasures...
[BTW Addon] Boat Mapping
Explore maps of the oceans in Better Than Wolves!
Reaper Leviathan
A mod that adds Reaper Leviathan from “Subnautica” to the deep oceans of Minecraft.
Oceanlife
This project adds new Fish variants such as a shark that can attack you.
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.
Crossing Pyriphlegethon
Boats to cross the infernal fire-flaming river. (Or the nether’s lava oceans)
Poseidon - Underwater Survival
Shipwrecked and stranded underwater. Breathe, build, and survive in a fully aquatic island world.
BuildAPrefix
End the sea of boring prefixes.

Realistic Oceans
Adds realistic & deep oceans to minecraft
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.
Drown Panic
"An immersive mod that enhances survival atmosphere underwater with a wide screen vignette (tunnel vision) and realistic heartbeat sounds when drowning."
Water Enhanced
Expands ocean gameplay with new resources, gear, and aquatic mechanics while staying true to vanilla.
Water Pump
Water Pump is a simple utility mod that lets you quickly remove large volumes of water from lakes, reservoirs, underground chambers, and even the ocean floor.

Sea Shanty Discs
A mod adding sea shanty music discs.
Nautilus Diver
A Vanilla Friendly Solution to the Longest Aquatic Problem!
ICanGamez Better Fishing
This adds new fishing rods, Fishes, Gear, Weapon, And much more aquatically themed! Just a boost in the fishing experience!
Sharks | Shark mobs for ItemsAdder
this addon adds a dangerous shark to your world and more!
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!
UnderwaterTNT
Want bases to be easier to raid!?