Neoforge Mods for Minecraft 1.21
Browse 77 free Neoforge mods for Minecraft 1.21 — popular picks include Fish Fix, Deep Blue, More Tide Fish.
Updated daily
Fish Fix
Amends hardcoded sea level assumptions to fix aquatic mob spawning.
Deep Blue
Adds 10 majestic ocean creatures — whales, sharks, giant squid, and more — along with 15 new items including weapons, food, and crafting materials to bring the deep seas to life.
More Tide Fish
Added some dangerous deep ocean fish to Tide⚡️
Dweller Nautilus (Horror)
This mod adds a new monster to the ocean. Nautilus Dweller Cursed Drowned Cursed Nautilus Shell and signs
Aquatic Breeding
Adds a way for fish and squid to breed, manual and automatic! Fish eat Fish Flakes, Squid hunt for live prey! Breed Tropical Fish of all colors and patterns!
Kraken Mod
A mod that add a Kraken and a structure in the ocean. The geckolib library is needed.
Apex Waters
The Great White shark has arrived, you no longer are at the top of the food chain.
Hybrid Aquatic: Fantastic Fishery
An addon for Hybrid Aquatic that adds various imaginary fish
Useful Sharks
I added sharks because mojang won't
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
Ocean Giants
“Enhances the size and power of aquatic creatures from Alex's Mobs and Ben's Sharks to create epic sea battles.”
Shell Seekers
Adds 7 types of shellfish to ocean floors with pearls that summon Endermen when thrown.
Great White Shark
This mod adds simple great white shark
Aquatic Fauna Expansion
A NeoForge mod that revitalizes Minecraft's oceans with new creatures, behaviors, and underwater biodiversity.
Realistic Terrain Movement
Movement speed varies by terrain block, boats break in oceans, at mountain peaks high-altitude winds push players around. Designed to encourage the use of external transport mods, particularly Create Aeronautics.
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.
Reaper Leviathan
A mod that adds Reaper Leviathan from “Subnautica” to the deep oceans of Minecraft.
Oceanlife
This project adds new Fish variants such as a shark that can attack you.
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
sharky's random ideas
my most random, wierdest and funny ideas
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.
Shadow's of The Deep chapter one
The horrors that live in the dark and deep of caves and the ocean
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
Bottomless Ocean mod
Adds a brand new dimention with 300 block deep oceans with new bizzare creatures to explore
Sharks Rubber Chicken addon
A mod that is all about RUBBER CHICKENS. It adds 1 new item, 2 new tools, and 1 new mob
Froglins Mod (1.21.11, 1.19.2) – Hunters of the Night
Froglins Mod adds a new mob to the game – the Froglin, which lives in swamps. It is an aggressive mob that hides underwater and comes to the surface to hunt passive mobs. It can attack the player, but if its health gets low, it will try to run away. When a Froglin is killed, […]
Gamingbarn's Zombies Mod (1.21.11, 1.20.6) – Faster, Stronger, and Expandable Zombies
Gamingbarn's Zombies Mod redefines gameplay by replacing default monsters with highly powerful, fast, and adaptable zombies. These enhanced zombies have special abilities, including block-breaking, acid-spitting, and bridge-building. Water becomes a new danger zone as Water Zombies spawn day and night, moving with extreme speed in aquatic environments. Fire serves as the primary weakness for most […]
Critters and Companions Mod (1.21.1, 1.20.1) – A New Set of Animals
Critters and Companions Mod is a mod focused on adding new animal species, including land creatures, aquatic animals, and flying creatures. Some of these animals can be tamed by players and will help with certain tasks. Features: Otter: Spawns in rivers. Otters will open clams to find pearls. Pearls are used to craft the pearl […]
Aquatic Frontiers Mod (1.21.1, 1.20.1) – An Ocean Teeming with Life
Aquatic Frontiers Mod adds several new creatures to make your Minecraft oceans feel more alive. This mod introduces five new mobs, including the Sponge Squid, Coral Golem, and Giant Squid, to populate the underwater world. Features: Adds five new aquatic mobs: the Sponge Squid, Sandy, Coral Golem, Giant Squid, and Coral Crab. Each new mob […]
Ben's Sharks Mod (1.21.1, 1.20.1) – Many Sharks and Unique Items
Ben's Sharks Mod adds various shark species and other marine creatures to the game. Currently, there are 26 new species, including shark types like Great White Shark, Megalodon, Hammerhead Shark, and other creatures such as Barracuda, Krill, or Axodile. Additionally, the mod provides various items like Shark Tooth, Megalodon Tooth, Shark Fin Soup, and status […]
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 […]
Womp's Shellfish Mod
(Fabric / Forge / NeoForge) Adds several types of shellfish to the game, enhancing aquatic life and ambience.
Sea Myths: Legendary Ocean Monsters & Bosses Creatures
Face the Leviathan, Kraken, Bloop, Protector, and Sea Eater! Adds 7 massive ocean bosses and sea monsters with powerful scale armor. Includes rideable Bloops!
Dwellers Of The Deep
Adds 3 sea creatures and 1 penguin-like creature to scare you