Minecraft Java 1.21 Mods
Browse 29 free mods for Minecraft Java 1.21 — popular picks include Aquamirae [Neo/Forge Edition], Illager Warship, Underwater Village - Oceanic Structures.
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![Aquamirae [Neo/Forge Edition]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/curseforge/11603.webp)
Aquamirae [Neo/Forge Edition]
Ship graveyard with terrible deep sea creatures!
Illager Warship
Adds a big illager warship to the oceans
Underwater Village - Oceanic Structures
Discover a lot of new oceanic structures!
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.
Old fisherman swamp house
adds an old fisherman’s house to swamp biomes, with villagers and aquatic mobs beneath it
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
Animal Garden - Narwhal
This mod adds the unicorns of the sea, the narwhals to the frozen ocean biomes.
Kislevemon
This is a Cobblemon addon which comes with currently 19 fakemons, Shiny and non shiny! they can be found in the oceans, deserts and forests.
Motley Fins
Updates aquatic biomes, adding blocks and a new mob!
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.
Cobblemon Seavls Bizarremons Resource Pack (1.21.1, 1.20.1)
Cobblemon Seavls Bizarremons Resource Pack expands the main Cobblemon mod with over 30 weird and wonderful custom creatures. It brings totally new evolutions and regional forms to your game. You can find these strange monsters hiding in the nether, frozen oceans, and jungles. The pack also generates giant floating cities in the deep ocean full […]
Item Glow Data Pack (26.2, 1.21.1) – Never Lose Track Of Dropped Items Again
Item Glow Data Pack makes all nearby dropped items glow subtly, helping you easily locate them even in dark caves, forests, or underwater. Whether you're mining, fighting mobs, or just accidentally dropped something valuable, this pack ensures you won't leave anything behind. A perfect quality-of-life addition for any survival playthrough! Enjoy playing this data pack! […]
Womp's Shellfish Mod
(Fabric / Forge / NeoForge) Adds several types of shellfish to the game, enhancing aquatic life and ambience.
Fantastic Fishery
An addon for Hybrid Aquatic that adds various imaginary fish
Mermaidia Culture (In Progress)
A Tropical Mod that adds new ocean themed blocks, variants to already existing blocks, mermaid tails, mobs, and more!
SmallAquatic's Meat Mayhem
Can you beat this meat mod?
update aquatic part 2
this mod overhauls the entire ocean biome :}
Abyssal Horizon Mod (1.21.11, 1.20.1) – Build Underwater Bases in an Oceanic
Abyssal Horizon Mod introduces a deep ocean dimension filled with underwater biomes, aquatic creatures, and sunken structures. This mod provides a dedicated aquatic realm where players can build underwater bases, tend submerged farms, and challenge a dangerous sea boss. It includes water-friendly items like waterproof doors, customizable chandeliers, and unique marine minerals. Features: Adds four […]
Hadopelagic Reach Mod (1.21.1, 1.20.1) – Survive Deep Ocean Depths
Hadopelagic Reach Mod transports players into a deep underwater realm filled with dark biomes, dangerous predators, and giant bosses. Players enter this aquatic world by entering a typhoon, encountering extreme water pressure, toxic zones, and hidden chasms. The mod adds tameable sea life, mountable sea creatures, rare crafting ores, and powerful combat gear tailored for […]
Frosthaven Villages Data Pack (1.21.11, 1.21.1) – Trade and Survive in Frozen
Frosthaven Villages Data Pack generates bustling settlements on floating icebergs across cold ocean biomes. The upper city offers a safe haven with mob-proof paths to keep both travelers and local villagers protected. Beneath the surface, the structure contains hidden rooms and underground pathways tucked behind secret entrances. Every trading workstation is included, giving you access […]
Pelagic Prehistory Mod (1.21.1, 1.20.1) – Revive Prehistoric Sea Monsters
Pelagic Prehistory Mod adds prehistoric sea creatures and fossil excavation to ocean biomes. It lets you search the sea floor for ancient sediment to extract DNA and bring extinct marine animals back to life. You can also find living cuttlefish and dugongs, plant ancient trees, and craft specialized revival machinery. Revived animals safely drop as […]
Fantastic Fishery Mod (1.21.1, 1.20.1) – Swim with Imaginary Creatures
Fantastic Fishery Mod expands Hybrid Aquatic with new imaginary sea creatures. It adds a brand new underwater biome full of strange coral and unique fungal fish. You can explore deep ocean trenches or frozen waters to find peculiar animals hiding in the dark. The addon even lets you turn the saddest fish in the world […]
Subnautica Ember Mod (1.21.8) – Survive Giant Leviathans in the Deep Ocean
Subnautica Ember Mod brings the deep-sea survival of Subnautica into your game. It fills your oceans with new alien creatures, underwater biomes, and hidden dangers. You start in calm waters but must dive into dark caves and deep trenches to find new things. The mod also adds an infection sickness that makes survival harder as […]
Hybrid Birds Mod (1.21.11, 1.20.1) – Farm Wild Birds and Cook Massive Meat
Hybrid Birds Mod populates your world with many new flying and flightless birds. It gives you fresh ways to gather food, breed animals, and interact with wildlife in different biomes. Features: Spawns several new types of birds across the world, from forests to oceans. Adds tiny baby versions for every single new bird type. Brings […]
No Mans Land Mod (1.21.1) – Roam Through Upgraded Biomes and Encounter New
No Mans Land Mod transforms your entire Minecraft world with fresh biomes, better animals, and beautiful landscapes. It takes the normal places you know, like forests and oceans, and makes them look much better with careful details. You will find brand-new areas to explore, extra plants everywhere, and updated dungeons hidden underground. The mod also […]
Sea Life Mod (26.2, 1.21.1) – Diverse Fish And Aquatic Life
Sea Life Mod is a mod for Minecraft that makes oceans and rivers more vibrant by adding many new fish species, items, and underwater interactions. Features: Expands the aquatic world with dozens of fish and aquatic creatures that naturally occur in suitable biomes – from the deep, cold ocean to rivers, swamps, and tropical coral […]