Minecraft Java 1.21 Mods
Browse 64 free mods for Minecraft Java 1.21 — popular picks include Dynamite, Sea Shanty Discs, better sea lantern edges.
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Dynamite
Turns dead sea pickles into tiny dynamite charges

Sea Shanty Discs
A mod adding sea shanty music discs.
better sea lantern edges
better sea lantern edges in Minecraft
Cool-Sea Panorama/Wallpaper
Changes the Panorama to a Cool-Sea image by Calvin Kinateder.
Ocean Panorama
A custom main-menu panorama depicting the ocean
CatShark
This resource pack adds a totem in the form of a cat in a shark costume.
Stay Flooded!
A mod that prevents air pockets from forming when submerged blocks are destroyed, perfect for an aquatic playthrough :-)
Visible sea lantern animation
resource pack that make the sea lantern animation more visible
Toads Simple Origins: Fish Bowl
Adds a custom piece of armor that allows custom origins datapacks to add a way to spend more time on land or in the nether without completely removing the challenge of only breathing underwater.
Underwater Torch
Place all torches underwater and they will still emit light Full Fabric 1.20.1 + 1.21.1 + 1.21.4
Sea Horse skin for Skeleton Horses
Sea Horse skin for Skeleton Horses by MixelDaPixel
Splinecart Aquatic
This is a small mixin designed to be used with the Splinecart mod. It makes Splinecart track ties able to be placed in water, that way you can make under water roller coasters or waterslides.
SIF (Sharked Invisible Frames)
Just a plugin that makes frames invisible when you right-click shears
Ocean/River/Lush Caves Grass Everywhere!
Changes the Grass colormap so it always matches the Ocean/River/Lush Caves biome color – Part of the "Oh My Colormap!" collection.
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.
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.
Glazgo's Backrooms Texture Pack
this mod changes the textures of the bamboo wood set to backroom building blocks (and sea lanterns for lights)
Water Mace
This pack adds a water mace skin — deep ocean-blue shadows rising through cyan into a pale aqua highlight.
Repurposed Structures Better Ocean Monuments Compat Datapack Resource Pack (1.21.1, 1.20.1)
Repurposed Structures Better Ocean Monuments Compat Datapack Resource Pack adds visual compatibility for Repurposed Structures and YUNG's Better Ocean Monuments. It changes the alternative monuments to match the building style of YUNG's structures. Features: Updates the layout of alternative monuments to match the new design. Changes the exterior and interior for the desert, jungle, icy, […]
Vanilla Shutters Mod (1.21.11, 1.21.1) – 15 Shutter Variants
Vanilla Shutters Mod adds a versatile and decorative way to control light and privacy in your Minecraft builds. Whether you want to enhance your home’s aesthetics, manage light in underwater structures, or add a functional toggle to your mob farm, this mod has you covered. With 15 different variants, these shutters are waterloggable, support redstone […]
Stunning Statues Mod (1.21.1, 1.20.1) – Historic Decorations
Stunning Statues Mod adds 17 elegant stone and moss-covered statues for decoration, with 5 uncommon ones found in buried treasure, shipwreck treasure, dungeons, and underwater ruins. Rare statues have a yellow tag, glow slightly, and blink eyes when placed, with an advancement when all 5 are collected. Each statue has a moss variant that can […]
Lili's Lucky Lure Mod (1.21.1, 1.20.1) – Catch More than Fish
Lili's Lucky Lure Mod expands the fishing mechanics in Minecraft by adding new ways to fish, decorative fishing blocks, and unique fish traps. You can find fish & rubble pools in rivers and oceans, use new tools like a bamboo rod, spear, or even dynamite, and decorate with frames and nets. Features: Fish & rubble […]
Seamless Prismarine Bricks Resource Pack (1.21.1, 1.20.1) – Texture Pack
Seamless Prismarine Bricks Resource Pack just enhances the look of prismarine bricks by giving them a seamless texture, inspired by Minecraft Dungeons. This change removes the visible grid-like pattern between bricks, making walls and floors look smoother and more natural. Whether you're building underwater temples or decorative structures, this subtle tweak helps create a more […]
Axolotl Paintings Resource Pack (1.21.1, 1.20.1) – Texture Pack
Axolotl Paintings Resource Pack aims to replace the game's standard artwork with an array of axolotl-themed paintings, adding a fun and playful touch to your home decorations. These high-qualified changes simply makes every piece of art a delightful celebration of these cute aquatic creatures. All in all, it is an absolute treat for all axolotl […]
Ordinary Wonders Resource Pack (1.21.1, 1.20.1) – Texture Pack
Ordinary Wonders Resource Pack for Minecraft brings in a whole new aspect to the underwater world of the game. Using many colorful varieties of coral, you can decorate your building with an aquatic style. It focuses heavily on the water atmosphere, giving the ocean a little more deep while presenting new life to it. Ordinary […]
Aloria World Gen
This pack brakes the world into smaller islands and makes has a fuller deeper ocean
Integrated Seven Seas Data Pack (1.21.1, 1.20.1) – Battle Hostile Pirate Ships
Integrated Seven Seas Data Pack overhauls the structures from When Dungeons Arise – Seven Seas. It decorates ship interiors using blocks and items from Create, Quark, Supplementaries, and Farmer's Delight. The data pack adds more monsters inside each vessel and balances chest loot for survival gameplay. Every ship now spawns only in deep ocean waters […]
Uncharted Seas Mod (1.21.1) – Build Luxurious Ocean Liners and Custom Ships
Uncharted Seas Mod gives you all the blocks you need to build massive ships and luxurious ocean liners. You can recreate famous ships like the Titanic or design your own custom vessels for roleplay. This mod packs in lots of naval decorations to make your boat interiors look great. It works perfectly alongside other moving […]