Mods for Minecraft Java
Browse 186 free mods for Minecraft Java — popular picks include AcidIsland - Toxic SkyBlock, MOS - Moog's Ocean Structures, Aquatic Fauna Expansion.
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AcidIsland - Toxic SkyBlock
SkyBlock with a deadly twist: the ocean is acid. Survive on your island, but don't fall in the water.
MOS - Moog's Ocean Structures
100+ vanilla style ocean structures. Dive through Atlantean ruins, ancient shipwrecks, ocean temples, and drifting rafts for loot and adventure.
Aquatic Fauna Expansion
A NeoForge mod that revitalizes Minecraft's oceans with new creatures, behaviors, and underwater biodiversity.
Single Island Generator
A Minecraft world generation mod that adds an Island world type, generating an ocean-only world with one randomly generated survival island.
Simple Submarines
Adds submarines for underwater exploration.
Aquatic Plugin
This is a Minecraft Plugin wich adds many Ocean and Fish releated things to Minecraft
Aquaticworld
This mod adds 5 new creatures to diversify the oceans.The mod will also add 9 new structures and their prehistory.The mod is based on the game "Subnautica"
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.
better mob : sea expansion
Better Mob: Sea Expansion transforms Minecraft oceans with unique creatures like Whales, Lobsters, Deep Watchers, Coral Golems, and Jellyfish, creating deeper exploration, dangerous encounters, and unforgettable underwater adventures.
oceans biomes
Create worlds made entirely of oceans with a simple configuration screen. Choose the ocean biome, tweak depth, and enable or disable islands and ocean structures.
Exodus 14:27
Fixes MC-278019 bug to restore sea level in superflat worlds.

Water World - Atolls
Water World - Atolls is an immersive Minecraft mod (Fabric) that breathes life into ocean biomes by introducing procedurally generated Atoll structures, complete with custom villager AI behaviors, dynamic fishing, and unique blocks to ease water buildin
The Great Ring of Oceanus
A Revamped Ocean Monument is the Gateway to a New Deep Ocean Dimension!
Slime Dimensions
Explore the Slime World through custom portals, discover slime biomes, Liquid Slime oceans, new blocks, mobs, resources, bosses, and progression toward Arcane Slime Tech.
Chilled
A Medium Mod improving the Deep cold oceans.
Azúl
An all-new dimension featuring a gigantic ocean surrounding it, and its magnificent fauna—or perhaps just a simple fauna mod?
Oceanic Plus
Oceanic Plus is a mod meant to improve ocean exploration by making it more rewarding.
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.
Acuatic Practic
It's a mod with strange and funny aquatic beings.
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.
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.
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
Lava Gen Tweaks
Tweak the base sea level for lava! Typically starts at -54.
Archimedes Mod
Archimedes Mod is an adventure-focused Minecraft Forge 1.20.1 mod that adds mysterious Nether castles, underwater pirate ships, rare treasures, custom weapons, music discs, and more.

Realistic Oceans
Adds realistic & deep oceans to minecraft
No Boats
This mod removes all boats from Minecraft, forcing you to travel across water the slow way. It makes oceans feel bigger and exploration harder since you can’t just zip across huge distances anymore.
Abyssal Frontier
A Fabric 26.2 ocean-exploration mod about surviving pressure, piloting submersibles, and escaping the deep.
Aqua Verse
AquaVerse expands aquatic biodiversity of minecraft
Travis's Oceanic Biomes
Adds more oceanic biomes to your world!
Misanthrope Gas Engine
Atmospheric simulation, simulating gas pressure, all real life gasses, real thinning atmosphere, and reworked breathing to reflect, this affects all non-aquatic mobs
Adrenalin
This mod adds a bit of realism: when you have 2 hearts or less, an adrenaline effect activates for 2 minutes. You run faster, mine blocks quicker, deal more damage, and your screen becomes slightly blurred. After the effect ends, you get nausea for 30 sec
Under The Seas
Discontiued For Certain Amount Of Time A new gameplay to minecraft by exploring the darkness of the sea
Lava Ocean
Adds A New Biome Called Lava Ocean!
Remove Armor Enchant 实用附魔与爱的魔药
Added a few powerful enchantments to the original version, helpful for combat and underwater exploration.本模组添加了两种附魔脱甲与炸塘,让你在战斗和环境破坏中有更多玩法。
TidefallMod
Explore deep oceans to find Tidefall ore and craft powerful aquatic tools and armor