Forge Mods for Minecraft 1.21
Browse 44 free Forge mods for Minecraft 1.21 — popular picks include Aquamirae [Neo/Forge Edition], Upgrade Aquatic, Illager Warship.
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Aquamirae [Neo/Forge Edition]
Ship graveyard with terrible deep sea creatures!
Upgrade Aquatic
Further upgrades the Update Aquatic with more aquatic additions!
Illager Warship
Adds a big illager warship to the oceans
Realm RPG: Sea Dwellers
Underwater villages and sea traders with random generation. Vanilla style.
Underwater Village - Oceanic Structures
Discover a lot of new oceanic structures!
Hybrid Aquatic
A mod that expands upon Minecraft's aquatic life
Unusual Fish
Adding fictional fish and other aquatic creatures!
Ben's Sharks
A simplistic approach towards one of the ocean's most complex creatures.🦈
Awesome Dungeon Ocean
This mod adds dungeons to your ocean, like boat, ruin..
Myths of The Sea - Mythology Mobs!
Discover new mythological aquatic creatures, such as the Leviathan, the Kraken, the Hippocampus, and many more!
Illager War Trireme
Adds an Illager War Trireme to warm ocean biomes
Aquatic Creepers
New creepers that can appear in the oceans! Discover the new items and increase the difficulty of the ocean.
L's Ocean Trader
adds a new villager, the Ocean Trader and his lighthouse
Elliemore's Deep waters
Mermaids dimension
Old fisherman swamp house
adds an old fisherman’s house to swamp biomes, with villagers and aquatic mobs beneath it
Animal Garden - Manatee
This mod adds the gentle giant the manatee(sea cow) into the game.
Animal Garden - Sea Otter
Adds tamable Sea Otter into the game, that will fight and protect you.
Animal Garden - Bull Shark
This mod adds the aggressive underwater creature, the bull shark into the game.
Animal Garden - Harp Seal
This mod adds the harp seal as tamable mob to the frozen ocean biome!
Asian Illager Ship
Adds an Asian Illager Ship to Ocean Biomes
Treasures of the dead
This is a mod that adds new pirate enemies, structures and many other features, inspired by Sea of thieves.
Animal Garden - Narwhal
This mod adds the unicorns of the sea, the narwhals to the frozen ocean biomes.
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
fapdos' Aquatic Additions
Adds many new fish creatures and underwater decorations to the game
In the depths
A mod that adds a gigantic creature to the deep oceans of Minecraft.
Wild Animals
This datapack adds elephants, jellyfishes, sharks and more, without causing lag to the server! No resource pack required
Do you like sharks? UwU
Shark furry mod
Dweller Nautilus (Horror)
This mod adds a new monster to the ocean. Nautilus Dweller Cursed Drowned Cursed Nautilus Shell and signs
Useful Sharks
I added sharks because mojang won't
Ocean Giants
“Enhances the size and power of aquatic creatures from Alex's Mobs and Ben's Sharks to create epic sea battles.”
Great White Shark
This mod adds simple great white shark
Tidemark Additions
Minecraft mod for Forge that adds a few aquatic features: two new mobs, new armor and tool sets, items, effects, and achievements
Fish Bonanza Mod (1.21.1, 1.20.1) – New Aquatic Creatures
Fish Bonanza Mod adds a large number of new fish. The mod focuses on increasing variety in what can be caught while fishing, without changing core fishing mechanics. All fish are obtained through regular fishing and integrate naturally into the existing game flow. Features: Adds around 100 new fish types to the game. New fish […]
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 […]
Upgrade Aquatic Mod (1.21.1, 1.20.1) – New Fish, Sea Monsters and More
Upgrade Aquatic Mod goes back to the parts of Minecraft that the 1.13 water update left thin and fills them in: oceans, rivers, and the insomnia system behind phantoms. Its headline addition is the Thrasher, a shark like predator that hunts with sonar, drags what it catches in its jaws, and drops material used in […]
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 […]