Minecraft Java 1.21 Mods
Browse 750 free mods for Minecraft Java 1.21 — popular picks include Sharky's Additions, Sharky Lib, Sea Pickle/Bamboo to Money.
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Sharky's Additions
Large Collection of Resource Packs and Nice Aesthetic Changes
Sharky Lib
A complete lib for server management!
Sea Pickle/Bamboo to Money
A texture pack that transforms sea pickles and bamboo into banknotes, adding a fun economic twist to the game.
Running From The Island
A simple modpack about surviving on the island surrounded by endless ocean!
Anti Nausea
A lightweight texture pack that removes or reduces the nausea visual effect for a smoother and more comfortable Minecraft experience.
Aquatic Beds
Beds in an aquatic style!
DynamicTrees-UpgradeAquatic Continue
This is a continuation of the DynamiTrees-UpgradeAquatic mod, updated and adapted for newer game versions.
Submarines'n Torpedoes
Adds submarines with sonar, homing torpedoes, and underwater combat to Minecraft.
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.
AquaWindow
AquaWindow — Replaces the wooden floor of all 9 vanilla boats with crystal-clear glass. Perfect for underwater safari and ocean exploration!
Cinch's Extra Torches
This mod adds two new types of torches that can be placed underwater. They are glowstone and glow ink torches.
Tropical World
All-ocean overworld: a sunlit tropical sea of turquoise water and sandy islands with hidden oases. Built on Isekai API.
Excalibur | Ocean's Delight Support
Excalibur support for Ocean's Delight
Create: Manufacturable Lapis Lazuli
Adds a Create mod Lapis Lazuli recipe, allowing the unlimited creation of Sea Lanterns.
BLHALYTRA
Soft, toy, shark-shaped Elytra
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.
Monumental Dive
Everything about Ocean Monuments. Changes textures for Guardians and Blocks
Zeeraket
Adds sea rocket (Cakile maritima), a glabrous, succulent annual, with a slender or stout taproot.
Better Structures Maps
Client-side mod that renders precise block distance to map decorations including woodland mansions, ocean monuments, villages, trial chambers, swamp hut, treasures...
TailWindSea pack
Modpack for the TailWindSea Server players.
Precariously Pirouetting Pickles
Adds rotations to sea pickles!
blahaj cave spider
this texture pack makes cave spiders into cute little ikea sharks
Oceanic Plus
Oceanic Plus is a mod meant to improve ocean exploration by making it more rewarding.
ClimateCraft
Adds climate change mechanics. Building, mining, and smelting emit CO2, plants absorb it. Keep the environment in balance or suffer sea level rise, droughts, and wildfires!
Motley Fins
Updates aquatic biomes, adding blocks and a new mob!
oceanmanman
Oceanmanman is a modpack that enhances Minecraft with visual tweaks, new structures, and quality-of-life improvements. It keeps the experience vanilla-friendly, adding fun non-game-breaking changes. Inspired by NIKO YAPS' Modpack. Full credit to Mod devs
Poseidon - Underwater Survival
Shipwrecked and stranded underwater. Breathe, build, and survive in a fully aquatic island world.
Dynamite
Turns dead sea pickles into tiny dynamite charges
Lava Oceans
simple datapack that makes all oceans lava
Reaper Leviathan
A mod that adds Reaper Leviathan from “Subnautica” to the deep oceans of Minecraft.
Oceanic Slime
Retextures the slime to aquarium like mob
Monster Origins
(WIP) Minecraft 1.20.1 (and now 1.21.1) / Fabric addon for Origins that adds four origins Arachne (a humanoid spider), Medusa (a gorgon), Harpy (a storm-wind bird-woman), and Mermaid (a singer of the deep) each built around a different playstyle
More Underwater Music
Remixes of Minecraft's soundtrack that play underwater.
Beta, NOW!
A small modpack in a sea of others like it that aims to capture the beta aesthetic and feel with some twists to the gameplay.
Aquatic Background
Aquatic - Main menu background
Expanse Shaders
Lightweight Iris shaders: soft shadows, glowing lights with bloom, waving foliage, dimensional haze with rolling Nether steam, aurora and meteors over the End, underwater light shafts. Three presets, RU/EN settings.