Mods for Minecraft Java
Browse 187 free mods for Minecraft Java — popular picks include Deeper Oceans: Refabricated, Temperature Bands, deep oceans.
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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!
deep oceans
deep oceans is a mod that adds very deep oceans
One Piece World Like (Mine Piece Version)
Transforms Minecraft into a true One Piece-inspired world with custom oceans, islands, conquest systems, and Grand Line exploration for the Mine Piece mod.
Sea Creeps
Sea Creeps have swam into Modrinth! The ocean just got explosive...
Aures - Sea Dwellers
Underwater villages and sea traders with random generation. Vanilla style.
Atlantis
This mod adds an ocean dimension to Minecraft with colored seashell, translucent colored pearls, shipwreck with treasure chest full of gold and aquamarine ore, and more.
Dorsal Moon
An add-on for Enhanced Celestials, adding a Moon that aids in ocean exploration for the night.
Geographicraft
Climate control allows you control climate zones, ocean sizes, biome frequencies, and continent sizes. Make Minecraft worlds into Yourcraft worlds!

Deep Waters
mermaids dimension
Oceanfront
Adds vanilla styled content to minecraft's beaches
The Deep Dark Ocean Dimension
Tired of Breathing? Of walking normally through a dimension? Then you've come to the right place!

Fish Fix
Amends hardcoded sea level assumptions to fix aquatic mob spawning.
Cannibal Villages: Tropical Exploration
Adds procedural cannibal villages, sharks, marine wildlife, tropical resources, mermaids and dangerous coastal adventures.
Unlocked Void Sea - Aeronautics Addon
A simple utility mod that lets you use the "End Sea" physics from Create: Aeronautics in other dimensions. Extremely configurable.
Scuba Diving Suit
Scuba Gear adds a functional diving suit designed for underwater exploration, explore the ocean with confort in a vanilla way.
Mako Mermaids Mod
Live your H2O dream! Play as Cleo, Emma, Rikki or Mako characters, use elemental powers, and create your own story!
Toxic Sky & Plastic Seas
Garbage patches in the ocean near you.
Cyra
A Minecraft mod that reveals the secrets of the ocean!
Brine
Adding much more to the dark depths of the oceans
Ocean Ores
Why not mine in the sea?
Repurposed Structures - Better Ocean Monuments Compat Port
TelepathicGrunt’s Repurposed Structures - Better Ocean Monuments Compat Datapack ported to Forge, NeoForge, Fabric and Quilt!

Pufferz
Want more aquatic animals & plants to fill your aquariums? Well then look no further!
Dungeon Dimension
Create a dimension to a ocean monument
ArPhEx_DeepestDepths
An addon for the ArPhEx mod, adding in several aquatic features.
Hybrid Aquatic: Fantastic Fishery
An addon for Hybrid Aquatic that adds various imaginary fish
d3v_c's Terrain Overhaul
Fabric worldgen overhaul for 1.21.11: taller mountains, deeper terrain, rebalanced biome climate zones, more natural caves, and improved underwater shaping for realistic Overworld landscapes.
UnderDasea
A mod that aims to add life to the oceans.
The Only Isle
The Only Isle creates a compact, natural island world surrounded by an endless deep ocean, featuring a rich variety of dense biomes for players who enjoy the “limited world” experience. It offers a feel reminiscent of the legacy console editions!
Beyond The Ocean
A Mod that let´s you explore beyond the oceans of minecraft. New ocean themed planets on a post End level difficulty. New structures, mobs, items and technologies. New adventures and a new story ready to be told.
More Aeronautics Void Seas
Makes the Create Aeronautics End Sea spawn in the other two dimensions.
Dead World [Remake]
Four new dimensions, a lot of new creatures, new bosses and monsters to defeat in this mod to explore. From the oceans to the caves, you will find dangerous monsters and beatiful creatures.
resurfaced
Making underwater exploration easier in a simple way
End Sea Everywhere
Bare bones datapack that adds the End Sea from create simulated to other dimensions. Useful for Skyblock style modpacks.
bigfish: ripple
Expand vanilla fishing with new fish, attributes, collection records, bounties, QTE fishing, cooking, placeable food, exploration tools, and progression-focused aquatic gameplay.
One Piece World Like - Mine Piece
Transforms Minecraft into a true One Piece-inspired world with custom oceans, islands, conquest systems, and Grand Line exploration for the Mine Piece mod.