Minecraft Java 1.21 Mods
Browse 44 free mods for Minecraft Java 1.21 — popular picks include Boatload, Create: Aquatic Ambitions, More Useful Copper - MAJOR UPDATE 3.0!.
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Boatload
Provides alternative methods of sailing Minecraft's oceans!
Create: Aquatic Ambitions
Introduces new bulk process which allows for more options for Prismarine, Coral and Copper automation!
More Useful Copper - MAJOR UPDATE 3.0!
New uses for copper, such as statues, aquatic redstone, and many other tools!
NauTec
A magitech mod centered around the deep abyss of the oceans. Augment your player with various upgrades or transfer huge amounts of power using lasers
Kelp Fertilizer
🌿 Kelp seaweed naturally filters sea water for rich nutrients. Kelp works like bone meal.
PNC Ocean Addons
A small addon mod for PneumaticCraft: Repressurized with some ocean-themed additions
Myths of The Sea - Mythology Mobs!
Discover new mythological aquatic creatures, such as the Leviathan, the Kraken, the Hippocampus, and many more!
Aquatic Creepers
New creepers that can appear in the oceans! Discover the new items and increase the difficulty of the ocean.
Create: Stranded at Sea
An ocean survival, centered around create automation, adventure, and a fully integrated economy system.
![[HUGE UPDATE] Fisherman's Haven](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/95824.webp)
[HUGE UPDATE] Fisherman's Haven
A huge expansion for fishing and ocean exploration in Minecraft!
Sea Life
Bring oceans and rivers to life with new fish, items, and underwater machinery.
Unstable SMP Simulator
Pre-configured Unstable SMP battle simulator modpack. Includes: Final Law Battle, 2v1000 Law Battle, Great Sea Law Battle, Tournament, Cindercrest Battle, Lakerek VS Wemmbu, Law End Island Defense, Mist, Smuggler Path Law Fight, Underworld
Pelagic Prehistory
Deep below the surface of the ocean exists an undiscovered wealth of life. Adventure down to the darkest depths to mine fossils and a brand new stone-type. Finally, use your hard earned materials to create machines for the future, and unlock life that may
Unseaworthy
A mod that makes boats unsuitable for ocean voyages.
craftable Sponge Tweak
Allows players to craft sponges instead of only finding them in ocean monuments. Mod
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.
DeepSea
Changes boat navigation on ocean regions
Create: Warnautics
Create Big Cannons add-on with redstone-launched aerial bombs, multi-bomb cassettes, sea bombs, land mines, cinematic blast effects, and optional Sable ship destruction.
SBW Advanced Warfare (Working on another model update))
Adds a lot of very well made vehicles from air to ground to sea
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.
Aquatic Fauna Addition
A mod adding content to the oceans
Create: Blahaj Factory
Create: Blahaj Factory adds more compat between Just Blahaj & Create to automate your shark friends! (Also Compatible with Only Blahaj)
Simple Submarines
Adds submarines for underwater exploration.
Redstone Underwater
Redstone can now be waterlogged!
Sharky Lib
A complete lib for server management!
EasyBuild(oceanstudio)
EasyBuild is a commission-driven building plugin for Minecraft servers. Create regions, contract builders, track progress, and pay rewards via Vault. Permission-protected building, admin reviews, and multilingual messages.
DivingPack
With this Mod you will have a better experience while diving underwater than in the vanilla version of minecraft. This modpack adds new item such as diving fins and an oxygen tank to the game.
Create: Manufacturable Lapis Lazuli
Adds a Create mod Lapis Lazuli recipe, allowing the unlimited creation of Sea Lanterns.
Create: TFMG Deep Oil Fix
Fixes oil deposits from The Factory Must Grow spawning at a hardcoded Y level (-64), which breaks in deep oceans and custom terrain.
AirBreather
Breathe underwater with a customizable Air Mask!
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!
Create Foreseen
Play with Create, with a zest of Vanilla+. Travel Air, Land and Sea with Aeronautics!
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).
Chewing Gum
This mod adds a pack of gums with 3 pieces inside used to remove nausea
Easier Sea Lanterns
Changes the current crafting recipe to a more balanced recipe.