Mods for Minecraft Java
Browse 1,101 free mods for Minecraft Java — popular picks include Diving Bell for TFC, Sea Weapons, Jaki Versatile Structures: Sails & Sea.
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Diving Bell for TFC
Introduces Items to dive for longer, encouraging underwater exploration.
Sea Weapons
A mod that adds new sea themed weapons to minecraft!
Jaki Versatile Structures: Sails & Sea
A structures mod to add many ships in your worlds.
Abyssal monster, the horror of the depths.
Dive into the depths of the ocean and discover the Abyssal Monster, the horror of the depths! 🌊👾
Wavify
Adds ambient waves to beaches,oceans and rivers!
IaFHippoPatch
Patches Ice and Fire hippocampus behavior to prevent constant surface floating. Adds depth preference AI making them stay 3-5 blocks underwater naturally while maintaining full swimming mobility and compatibility.
Some Like It Dry
Easily reduce or remove oceans, rivers, and lakes from the overworld
Endless Oceans: Adventures (refabricated)
Aquatic animals, fish, landscapes, aquarium building, and more!
Revamped Floating Islands
Datapack that creates Floating Island worlds based on the old preset, with all biomes and structures. Additionally featuring floating oceans and rivers.
No More Ocean Monuments
Removes ocean monuments from the world generation.
Evil Ocean
Evil Ocean is an world generation mod with custom generation
Fish Tanks
Adds fish tanks for your favorite aquatic friends!
Scuba Suit
Let's explore the ocean
Finite Water Control
Makes water a finite resource outside of specified areas (oceans, rivers)
Deep Sea Diving Mod
Dive into the deep oceans without fear of drowning, and defend yourself with your harpoon gun!
Ocean Floor - Patches
Adds patches of clay, gravel, and dirt to a sand ocean floor
Timeless Power
Accelerate time with Pucci's [Made in Heaven] ability from JoJo's Bizarre Adventures: Stone Ocean!
Skeleton Ghost Ship
Adds a skeleton crewed ghost ship that spawns in ocean biomes
Ocean Villager Trader
adds a new villager the Ocean Trader and his lighthouse structure
Unseaworthy
A mod that makes boats unsuitable for ocean voyages.
Villager Rafts
Adds stranded Villagers drifting across the oceans on wooden rafts.
UndergroundOcean
Makes underground water filled caves from small rivers up to nether-like landscape
fapdos' Aquatic Additions
Adds many new fish creatures and underwater decorations to the game

BetterVannilaFishes
Dive into a more vibrant and diverse ocean. Re-imagined, re-animated, and re-alive.
In the depths
A mod that adds a gigantic creature to the deep oceans of Minecraft.
Create: Aquatic Ambitions & Ultimate Factory compatibility
This mod removes one variant from the overlapping recipes for "Create: Ultimate Factory" and "Create: Aquatic Ambitions".
Ocean's Delight Reforged
Ocean's Delight is an addon mod for Farmer's Delight based around adding culinary content to the ocean!
Illager Battleship
Adds an illager battleship to Ocean Biomes
Wonderous Sea - Endless Ocean
Wonderous Sea adds new under represented marine life to the world of Minecraft!
Deeper Oceans: Refabricated
Continuation of Apollo's Deeper Oceans mod for Fabric. Oceans 3x as deep as vanilla, with adjusted Ocean Monument placement.
Temperature Bands
Modifies world generation to place biomes into repeating temperature bands. Compatible with most worldgen mods. Now with humidity based on proximity to river and/or ocean too!
Waterproof 2: And This Time, It's Serious
Cheaty underwater redstone! Continuation of Waterproof for 1.12.
Liquid Fog Begone
A simple mod that allows you to control how dense the fog is while underwater or in lava.
Sirens Of The Deep
The mod adds sirens to the overworld oceans
FantasticFish
Fish Mobs and Improved Ocean Generation in 1.7.10
Kylin Arm
add a curios that allow mining blocks with bare hands and increase mining speed when equipped, ignore mining slowdowns in air and underwater.