Neoforge Mods for Minecraft Java
Browse 65 free Neoforge mods for Minecraft Java — popular picks include Aquatica, Simple Submarines, MOS - Moog's Ocean Structures.
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Aquatica
Aquatica is a Modpack that contains 400+ Mods, and is primarly focus on Create.
Simple Submarines
Adds submarines for underwater exploration.

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.
Kreyc's Waterworld
Custom Modpack, where most things are underwater. If you have phobia and/or afraid of being underwater, this pack is most likely NOT for you. But if you are like me; halv fish, then welcome and enjoy!
Terra Wastelands
players sail the seas, exploring islands and diving underwater to loot valuable resources. As they venture deeper, they must fend off zombies and mutants that pose constant threats. Balancing exploration, survival, and combat,
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.
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.
SharkSquad - True Survivors
Survive against Titans in the apocalypse!
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.
Eternal Ocean
An ocean world with creatable ships along with many new fishes and other creatures. Swimming and fishing are overhauled, along with plenty of new structures and biomes to explore.
JellyFishy
Introduces a brand new mob for the ocean (Jellyfish) just like in real life this mob groups up (10-20 in a group) and basically just moves freely also dont touch em!
Under The Seas
Discontiued For Certain Amount Of Time A new gameplay to minecraft by exploring the darkness of the sea
SharkventurousCraft
SharkventurousCraft is a Create-focused exploration modpack for Minecraft 1.21.1 (NeoForge).
Lava Ocean
Adds A New Biome Called Lava Ocean!
TidefallMod
Explore deep oceans to find Tidefall ore and craft powerful aquatic tools and armor
Unwrecked Ships Mod (1.21.11, 1.20.1) – Vanilla Shipwreck Structures Repaired
Unwrecked Ships Mod revitalizes Minecraft's oceans by adding fully intact ship structures to the game. Unlike the usual shipwrecks, these functional and complete vessels serve as ready-made bases or exploration hubs. Features: Instead of broken ruins, ships now appear intact and seaworthy, naturally generating in your world Adds 7 ship types using vanilla wood combinations […]
Lithosphere Mod (1.21.8, 1.20.1) – Realistic and Detailed World Generation
Lithosphere Mod is a mod that enhances world generation, creating more realistic and cinematic landscapes. It introduces continents of different sizes separated by oceans, with occasional islands. The coastlines are more gradual with wide beaches, steep cliffs in mountainous regions, and smoother, higher peaks compared to the default. Additionally, rivers are less common but form […]
Better Single Biome Mod (1.21.4, 1.21.1) – Improves Single Biome World Generation
Better Single Biome Mod makes a few changes to the world generation to make worlds generated in single biome mode a lot better. All biomes are supported except water biomes and mangrove swamp. The mod lowers the sea level, lowers the geode generation level, improves underwater vegetation, increased structure generation, etc. Features: World generation tweaks […]
No More Grass And Kelp Mod (1.21.1, 1.20.1) – Removes Grass & Kelp From World Generation
When building underwater structures in the ocean, you will have to manually remove a lot of kelp plants. Similarly, when building on plain terrains, you will have to clear out grass from the ground. Both of these can be inconvenient at times. Do you want both grass and kelp to be removed from the game? […]
Can't Touch Water Mod (1.21.8, 1.20.1) – Water Kills On Contact
Can't Touch Water Mod is a fun challenge mod that tests your survival limits. The mod adds a simple new change – water will kill you instantly upon contact. Swimming and ocean exploration are key elements of the survival gameplay. And with this mod installed, those elements of the game are restricted. Features: Adds a […]
No More Underwater Magma Mod (1.21.1, 1.20.1) – Removes Underwater Magma From World Generation
In Minecraft, when you place magma blocks below water source blocks, a column of water bubbles are created. This bubble column has the ability to pull players down. They are strong and cannot be outswimmed upwards. Magma blocks often generate in underwater caves in oceans, and the bubble column thus created often breaks the boats […]
Tax' Deep Villager Mod (1.21.1, 1.20.1) – Explore Underwater Villages
Tax' Deep Villager Mod adds underwater villages to the game. With this mod, players can discover new villages located beneath the ocean, introducing a fresh environment to explore and interact with villagers in an aquatic setting. Features: Adds fully functional undersea villages to Minecraft Expands village exploration into underwater biomes Enhances the diversity of village […]
Tax' Ocean Pillager Mod (1.21.1, 1.20.1) – Conquer Pirates
Tax' Ocean Pillager Mod introduces pirates and ocean exploration to the game. This mod adds new island structures and pirate enemies, creating a dynamic and adventurous experience for players who love sea adventures. Features: Pirate Islands: Discover mysterious islands filled with resources and challenges. Pirates and Sea Monsters: Battle new enemies, including pirates and ocean-themed […]
Sky Archipelago Cave Fix
Workaround for cave generation with ocean-based islands in Sky Archipelago. Only for version 1.3.4 and 1.21.1 NeoForge
Castaway - Lost in the Seas
Dive into the unknown, conquer the seas, defeat powerful foes, and uncover ancient secrets across ocean and land.
SmallAquatic's Meat Mayhem
Can you beat this meat mod?
Mermaid adventure
Get ready to live a great life of a mermaid with the mermod. You can now build your base underwater.
SGS Cogs & Creatures
This modpack is for the Swansea Gaming Society Create & Cobblemon hybrid pack