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Minecraft Java 1.21 Mods

Browse 750 free mods for Minecraft Java 1.21 — popular picks include Sharks Rubber Chicken addon, Shark's Enchant Cap, Elkonia Deep Coral Ocean Biome.

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Sharks Rubber Chicken addon
1.21.4neoforge

Sharks Rubber Chicken addon

A mod that is all about RUBBER CHICKENS. It adds 1 new item, 2 new tools, and 1 new mob

52downloads
Shark's Enchant Cap
1.21.11

Shark's Enchant Cap

Makes a Lower Max Level for Some Enchants, Aimed at Events

48downloads
Elkonia Deep Coral Ocean Biome
1.21.9

Elkonia Deep Coral Ocean Biome

My first Biome Datapack. this Biome is meant for 1.21.10 and is just as it says, a very deep ocean with some coral at the bottom. it's otherwise flat. Relatively 200 blocks deep, with some fish schooling, but otherwise just a flat ocean with mud, sand.

48downloads
Lava Ocean
1.21.4neoforge

Lava Ocean

Adds A New Biome Called Lava Ocean!

48downloads
Goggles B Gone
1.19

Goggles B Gone

removes the annoying goggle overlay from Hybrid Aquatic's Diving Helmet; letting you explore the ocean as long as you like without having to view the world through a png with 50% opacity.

47downloads
Calor
1.21

Calor

Calor is a worldgen datapack for Minecraft versions 1.21 and newer. It raises both the sea level and snow line.

47downloads
Stained Glass To Beacon Sea Lantern
1.21

Stained Glass To Beacon Sea Lantern

Changes Java Edition Changes Red Stained Glass to Sea Lantern Changes Green Stained Glass to Beacon

46downloads
Chewing Gum
1.21.11fabric

Chewing Gum

This mod adds a pack of gums with 3 pieces inside used to remove nausea

46downloads
Ocean/River/Lush Caves Foliage Everywhere!
24w36a

Ocean/River/Lush Caves Foliage Everywhere!

Changes the Foliage colormap so it always matches the Ocean/River/Lush Caves biome color – Part of the "Oh My Colormap!" collection.

46downloads
Glazgo's Backrooms Texture Pack
1.21.11

Glazgo's Backrooms Texture Pack

this mod changes the textures of the bamboo wood set to backroom building blocks (and sea lanterns for lights)

45downloads
Nautlius Tweaks
1.21.11

Nautlius Tweaks

this datapack tweaks the Nautilus by making them more resistant to trident damage and removing the underwater mining speed penalty

44downloads
oceanaxe
1.21.8fabric

oceanaxe

Adds a powerful ocean axe with custom abilities.

43downloads
MobSouls
1.21.11

MobSouls

Adds MobSouls that can be crafted with heart of the sea and the mobdrop witch give special abilities

39downloads
SeaAbilities
1.21.11

SeaAbilities

SeaAbilities Is a plugin for the ones that want sea creatures and sea abilities on their server. Its really fun and its custom coded.

37downloads
Boilzone
1.21.8neoforge

Boilzone

Adds a new magma themed ocean biome.

36downloads
OceanBreath
1.16.5

OceanBreath

Water breathing in ocean biomes.

34downloads
Island Cluster
1.21spigot

Island Cluster

A small island cluster in the middle of the ocean.

34downloads
UnderwaterBoost
1.16.5

UnderwaterBoost

Dolphin grace while swimming.

32downloads
Easier Sea Lanterns
1.21.9

Easier Sea Lanterns

Changes the current crafting recipe to a more balanced recipe.

32downloads
Concrete in the Cauldron
1.21

Concrete in the Cauldron

Turn concrete powder into concrete using a water cauldron — no rivers or oceans needed.

31downloads
Bedrock Ranged Mobs (Datapack)
1.21.5

Bedrock Ranged Mobs (Datapack)

Makes Skeletons that are underwater and trident drowneds less than 3 blocks away from the player do melee instead of ranged attacks, like in bedrock edition

31downloads
Submerged: The Ocean Artifact
1.21.8neoforge

Submerged: The Ocean Artifact

Dive into the deep! Defeat the Ocean Monument guardians to claim "Submerged," a brand-new custom music disc.

26downloads
Legacy Islands
1.21

Legacy Islands

Datapack that causes 1024x1024 "islands" of regular generation to be surrounded by forced deep oceans.

25downloads
JoJoStands
1.21

JoJoStands

A JoJo-inspired Paper SMP plugin with Stands, abilities, leveling, Stand controllers, Requiem Arrows, and Stone Ocean features.

24downloads
OceanBreath
1.16.5

OceanBreath

Water breathing while in ocean biomes.

24downloads
EvenIronGolemsRust
1.21.11

EvenIronGolemsRust

Even iron golems rust if they sink. A lightweight plugin that adds corrosion damage to underwater iron golems. (アイアンゴーレムだって、沈めば錆びる。水中の鉄ゴーレムに腐食ダメージを追加する軽量プラグイン。)

23downloads
Heartless
1.21.5

Heartless

Removes the Heart of the Sea from buried treasure chests. No conduits for you!

22downloads
DrownedOverhaul
1.21.4paper

DrownedOverhaul

Drowned mobs can now grab and drag players underwater. A dangerous new twist to ocean survival!

19downloads
Water Mace
1.21.11

Water Mace

This pack adds a water mace skin — deep ocean-blue shadows rising through cyan into a pale aqua highlight.

15downloads
easy CORAL FANS
1.21.11

easy CORAL FANS

Tired of searching for warm oceans? Craft all Coral Fans easily using wool and dyes!

10downloads
Better Conduit Recipe
1.21.7

Better Conduit Recipe

Adds a new recipe for the conduit, now requiring prismarine. The recipe will now require you to explore the ocean more, instead of just luck.

10downloads
GrandSeas
1.20.6paper

GrandSeas

Survive the acid ocean! Build islands, manage teams, and dominate the toxic seas in this ultimate plugin.

4downloads
Tiny Water Bubbles
1.21.11

Tiny Water Bubbles

Makes underwater bubble particles tiny and unobtrusive while keeping them visible.

2downloads
TradeWinds
1.21paper

TradeWinds

A BentoBox game mode of sea trading, smuggling, and piracy

2downloads
Water Splashes and Waves Surface Data Pack (1.21.4, 1.20.1)
1.21.4

Water Splashes and Waves Surface Data Pack (1.21.4, 1.20.1)

Water Splashes and Waves Surface Data Pack adds visual effects when you jump into water. This data pack gives you a splash animation every time you hit the surface of a river, lake, or ocean. It makes diving and falling into water look much better with custom particles. Features: Creates a visual splash effect right […]

Cobblemon Seavls Bizarremons Resource Pack (1.21.1, 1.20.1)
1.21.1

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 […]