Data Packs for Minecraft Java
Browse 44 free data packs for Minecraft Java — popular picks include Maxi's All Ride Mons! Mount all Cobblemon!, Lavaflow, Bedrock Ranged Mobs.
Updated daily
Maxi's All Ride Mons! Mount all Cobblemon!
This data pack adds the possibility to ride all current Pokémon found in Cobblemon, for you to enjoy your journey across sky, sea and land.
Lavaflow
Completely overhauled Nether: Lava rivers on 2 heights with lavafalls between them, proper valleys, oceans, and new biomes and structures.
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
The Fog Origin
This datapack adds a new origin to the Origins mod, The Fog. Using this origin, you can fly through the sky and swim through the sea as a ball of gas, or temporarily solidify to hang out with friends!
[Origin]: Axolotl
Adds the Axolotl, an aquatic origin like the base Merling. It takes risks, can cheat death and operates best when vulnerable.
Create Simulated: End Sea Everywhere
Bare bones datapack that adds the End Sea from create simulated to other dimensions. Useful for Skyblock style modpacks.
Sea level rise | 海平面上升
Raise the sea level to 110, most of the land will be submerged by water,offering a unique gameplay experience.
Spinosaurus Origin
A massive theropod dinosaur with a distinctive sail-like structure on its back. It is believed to have had an aquatic lifestyle, primarily feeding on fish. Its unique adaptations made it well-suited for life in and around water.
Ocean Breaths
Catch oxygen bubbles generated in oceans and stay longer underwater.
Heart of the sea recipe
Now you can craft your own heart of the sea
Sponge Crafting
Adds a vanilla-friendly, ocean-themed crafting recipe for the uncraftable Sponge block.
Nauticlysm
Adding new nautilus mobs with different variants for ocean biomes!

Breath.
This datapack adds steam from the mouth in cold biomes & bubbles underwater.
Deep Blue: Ocean Survival
Survive a post-apocalyptic world submerged by water in a nearly vanilla experience.
New Tools
Adds 20 New Tool recipes made out of 4 new materials: Resin, Amethyst, Sea stuff and Sculk
Montane
Elevation based biomes, taller mountains, deeper oceans, and more!
Sharkling Origin
An Origins datapack that adds a new shark themed origin
Depth ++
Makes the ocean much deeper for underwater exploration
Sunken Treasure
Digging sand underwater with a fortune tool can uncover buried treasures, or a nasty surprise! Who knows, maybe you'll even find some old love letters.
[Origin]: Woodmuncher
A small datapack that adds a new aquatic Origin to make friends with the Merling, the Woodmuncher. It's based off of beavers and can eat and phase through logs.
No Sprint-Swimming
Disables fast movement in the water in survival and on servers, making oceans daunting again
Better Sea Lantern Crafting
This datapack/mod allows you to craft Sea Lanterns in a better way
Craftable Heart of the sea
This is a simple light weight data pack that adds a recipe for the Heart of the sea item.
Drought – Waterless Worldgen
Removes all naturally generated water from the Overworld. No oceans, rivers, lakes, or cave water. Some structures may still contain limited water for balance.
Gnasher Origin [DEPRECATED]
Adds a new aquatic origin to the popular Origins mod, the Gnasher, who dishes out rapid damage by vigorously shaking the camera.
Lava Oceans
simple datapack that makes all oceans lava
Overworld - End Sea [Create Aeronautics]
This project adds an Aeronautics End Sea to the Overworld
Elytra Nausea
A balanced nerf to the elytra - flying for too long will start to make the player nauseous, and may even become life threatening, if you don't take a break on the ground.
Aquatica - 0.1 Actual Fishing
This datapack aims to add to the aquatic regions of Minecraft. The 0.1 version overhauls the fishing system.
Craftable Vanilla Lights
A simple datapack that adds 4 new crafting recipes to the game : Ochre Froglight, Pearlescent Froglight, Verdant Froglight and (a better crafting recipe for) Sea Lantern.
[Aeronautics] Overworld End Sea
Enables Create Simulated/Aeronautics' End Sea mechanic in the overworld, for void-accessible worldgen
Unsafe Water
Now if you swim in river, sea or ocean you will take damage.
Nuclear sewage-核污水
This is a data pack that can be used for island survival, players will get poison and nausea when they touch water, and after drinking the water lung potion, they will be immune to poison and nausea, and of course, players can take a boat without harm!
Bonemeal Renewable Coral
Bonemealing coral blocks spreads them in a warm ocean.
Toasts Abilities
A data pack that adds 7 different custom classes, each with a ability, ultimate and a passive to improve combat. They are: Wind, Electric, Space, Sculk, Life, Metal and Oceanic
Shark's Enchant Cap
Makes a Lower Max Level for Some Enchants, Aimed at Events