Neoforge Mods for Minecraft Java
Browse 248 free Neoforge mods for Minecraft Java — popular picks include Lost Island, Simple Submarines, Faentum's Deep Sea Expansion.
Updated daily
Lost Island
Lost Island is a Minecraft mod that places you on a tiny island in an endless ocean. Survive with scarce resources while floating barrels bring supplies to your shore. Early release — bugs may occur.
Simple Submarines
Adds submarines for underwater exploration.

Faentum's Deep Sea Expansion
Deep Oceans are no more safe, Dare to Face the Abyss!
Puris Eco Ocean
This is a passion project from zi_jian. It adds 10 brand-new ocean biomes, 29 new entities, along with corresponding items, materials and decorative blocks. I'm still a beginner mod developer, so feel free to report any bugs you encounter.
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.
Blåhaj Lite
Blåhaj Neoforge port, Remove Pride Sharks
Sea Bunny´s
Adds Adorable Sea Bunny´s to Minecraft ❤️
Sea of Bombs
Adds the Fire, & Blast Bombs and the Bone Caller from Sea of Thieves
Raft World
Start on a tiny raft in an endless ocean. Survive and rebuild the world.
Water Depth Fog
Underwater fog gets darker and closer the deeper you dive — a purely visual atmosphere mod for deep-ocean gameplay. Client-side.
Sharky Lib
A complete lib for server management!
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.
DynamicTrees-UpgradeAquatic Continue
This is a continuation of the DynamiTrees-UpgradeAquatic mod, updated and adapted for newer game versions.
Better than Boats
This mod introduces 5 new boat variants designed to turn the ocean into your floating homestead. Chain your vessels into a massive water caravan and your journey never stops, because your base is always moving with you.
Cinch's Extra Torches
This mod adds two new types of torches that can be placed underwater. They are glowstone and glow ink torches.
Tropical World
All-ocean overworld: a sunlit tropical sea of turquoise water and sandy islands with hidden oases. Built on Isekai API.
Create: Manufacturable Lapis Lazuli
Adds a Create mod Lapis Lazuli recipe, allowing the unlimited creation of Sea Lanterns.
Reaper Leviathan
A mod that adds Reaper Leviathan from “Subnautica” to the deep oceans of Minecraft.
ICanGamez Better Fishing
This adds new fishing rods, Fishes, Gear, Weapon, And much more aquatically themed! Just a boost in the fishing experience!
Nautilus Diver
A Vanilla Friendly Solution to the Longest Aquatic Problem!
Oceanlife
This project adds new Fish variants such as a shark that can attack you.

Blue Oceans
Blue Oceans is a technology-adventure mod designed to enhance the player's gaming experience by incorporating real-life items.It also includes some magical items.
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
Pantry
Pantry adds food aging, preservation, cellars, and salt from ocean water.
sharky's random ideas
my most random, wierdest and funny ideas
Lava Gen Tweaks
Tweak the base sea level for lava! Typically starts at -54.
Harpooned
Shoot Harpoon on underwater as wind!
Nauseous Lite
Enchanced and customized nausea effects
Living Sponge
Drain and Fill the Oceans with Living Sponges!
Shadow's of The Deep chapter one
The horrors that live in the dark and deep of caves and the ocean
Angel Block Reborn
A construction block that can be placed freely in the air or water. Great for building underwater or in the void.

Sharkiums And More
It adds Sharkium ore and much more to the game! But this world isn't as innocent as it seems.(Only Turkish Language)
Under The Seas
Discontiued For Certain Amount Of Time A new gameplay to minecraft by exploring the darkness of the sea
CarrotSkin
In-game HUD with fancy carrots, custom exhaustion bar and relocated underwater bubbles to display above hp.
Bottomless Ocean mod
Adds a brand new dimention with 300 block deep oceans with new bizzare creatures to explore
Lamarine
This mod adds a new ore that will spawn under the lands of oceans and rivers, so far you can make a pickaxe and a sword from it, which are much better than nezerite.