Mods for Minecraft Java
Browse 1,182 free mods for Minecraft Java — popular picks include Sirens Of The Deep , Aures - Sea Dwellers, FantasticFish.
Step by step: How to install Minecraft Java mods & modpacks
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Sirens Of The Deep
The mod adds sirens to the overworld oceans
Aures - Sea Dwellers
Underwater villages and sea traders with random generation. Vanilla style.
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.
deep oceans
deep oceans is a mod that adds very deep oceans
Chest Bubbles Revived
Creates bubbles when chests are opened underwater.
MerTradeFix
Fixes trade messages in "Realm RPG: Sea Dwellers"
Ocean Mermaid Statue
Adds a large underwater Ocean Mermaid Statue with drowned and hidden treasure
Sunken Warrior Statue
Adds a Sunken Warrior Statue to the ocean floor
Ocean Worlds
Flood your worlds with a heightened sea level!
Dorsal Moon
An add-on for Enhanced Celestials, adding a Moon that aids in ocean exploration for the night.
Sea Creeps
Sea Creeps have swam into Modrinth! The ocean just got explosive...
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.
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.

Pickles to Skellys
Client-side Fabric mod for Donut SMP that disguises sea pickles as skeleton spawners and iron chestplates as elytras.

Deep Waters
mermaids dimension
Do you like sharks? UwU
Shark furry mod
Aqua Geode
Aqua Geode adds a spherical structure to the oceans. There's a chest inside!
Geographicraft
Climate control allows you control climate zones, ocean sizes, biome frequencies, and continent sizes. Make Minecraft worlds into Yourcraft worlds!
Mystic Seas
A mod that introduces mermaids, mermaid tails, and even some siren-related abilities!
Space's Sponge Crafting Recipe
Adds a vanilla-friendly, ocean-themed crafting recipe for the uncraftable Sponge block.
ElytraSwimFix
Prevents elytra from being activated underwater
Cthulhu (Discontinued)
This mod gets rid of the safety and peace of the vanilla minecraft oceans by adding a creature different from any horror mod you've seen so far. It doesn't kill you, instead he makes sure to keep you alive in order to mess with you even more.
Lost Ocean Whale
Adds a lost whale to all ocean biomes
A Few Cool Paintings
8 new paintings, mostly about cats, with the exception of one shark guy painting
Bathymetry
Visualizes underwater terrain depth through water color.
Faster Fly Break Speed
Removes underwater and flying breaking speed penalty
Impenduits
Adds weak forcefields powered by Hearts of the Sea
Oceanfront
Adds vanilla styled content to minecraft's beaches
Boatism
Add new and fully customizable Boat Engines to Minecraft. Traveling by sea will never be the same again!
Ice and Fire Travail
An expanded set of dragons, sea serpents, sirens and ogres.
Villager Viking Ship
Adds 3 new villager viking ships to warm ocean biomes
Blox Fruits
Your mission is to find the legendary One Piece fruit hidden in unknown waters by defeating powerful sea captains, solving world's mysteries, and encountering Marines along the way.
Complementary Nautilus
Adds a nautilus mob to the oceans.
Sails and Airships: Block-Based Ships
Build and sail custom airships and block-based ships. Salvage shipwrecks, fire cannons, tow boats and mobs, and explore the oceans, skies, or lava seas.
Aquatic Torches Returns
Torches made from glowing squids that can be used underwater, now for Neoforge!