Minecraft Java 1.21 Mods
Browse 749 free mods for Minecraft Java 1.21 — popular picks include Underwater [GUI], Dweller Nautilus (Horror), Night Vision Ultimate.
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![Underwater [GUI]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/curseforge/242921.webp)
Underwater [GUI]
UNDERWATER [GUI] is a themed GUI texturepack - resourcepack.
Dweller Nautilus (Horror)
This mod adds a new monster to the ocean. Nautilus Dweller Cursed Drowned Cursed Nautilus Shell and signs
Night Vision Ultimate
Night Vision Pack for Minecraft without turning off achievements by. Enjoy full brightness anywhere—no potions needed! Perfect for caves, night, and underwater.
Blacksea animation for punchy(黑海)
A resource pack built on the Punchy mod that swaps out the axe animations in-game for ones inspired by the 'Black Sea' weapon from Delta Force."
Ultimate Nausea
This shader makes far-away objects appear to spin.
Neutral Sea Grass and Kelp
Swaps out the neon colors seagrass and kelp use, with a more neutral color.
SHARKSQUAD - True Heroes
A modpack for the SharkSquad - True Heroes project
Aquatic Breeding
Adds a way for fish and squid to breed, manual and automatic! Fish eat Fish Flakes, Squid hunt for live prey! Breed Tropical Fish of all colors and patterns!
Sunken Skeletons
Adds the aquatic Sunken Skeleton from Minecraft Dungeons.
Cyra
A Minecraft mod that reveals the secrets of the ocean!
Waterbeds
Introduces a bed that lets you sleep underwater
Sponge Crafting
Adds a vanilla-friendly, ocean-themed crafting recipe for the uncraftable Sponge block.
Hold Your Breath (in real life)
When you go underwater in-game, you need to hold your breath in real life.
Repurposed Structures - Better Ocean Monuments Compat Port
TelepathicGrunt’s Repurposed Structures - Better Ocean Monuments Compat Datapack ported to Forge, NeoForge, Fabric and Quilt!
Ocean Revamp
New ocean biomes to improve your aquatic journeys in vanilla
CineReal — Cinematic Realism Shaders
CineReal — cinematic realism shaders for Minecraft (Iris + Sodium): filmic color grading, SSR reflections on water & blocks, block-shaped volumetric clouds with matching shadows, biome fog, and underwater god rays.
Kraken Mod
A mod that add a Kraken and a structure in the ocean. The geckolib library is needed.
Breath.
This datapack adds steam from the mouth in cold biomes & bubbles underwater.
Tax' Deep Villager
Deep Villager is a Minecraft datapack aims to add undersea villages.
Apex Waters
The Great White shark has arrived, you no longer are at the top of the food chain.
Oceanus+Continents
Enables using Oceanus together with Continents
Hybrid Aquatic: Fantastic Fishery
An addon for Hybrid Aquatic that adds various imaginary fish
d3v_c's Terrain Overhaul
Fabric worldgen overhaul for 1.21.11: taller mountains, deeper terrain, rebalanced biome climate zones, more natural caves, and improved underwater shaping for realistic Overworld landscapes.
Useful Sharks
I added sharks because mojang won't
Ocean Village
This mod will add a new type of village - Ocean Village
SBW Advanced Warfare (Working on another model update))
Adds a lot of very well made vehicles from air to ground to sea
Os' Creepto Currency
This pack changes non-waterlogged (dead) sea pickles to stacks of Creepto coins of your choice of color(s). Versions: One of 8 colors, all colors, gems only, or metals only.
Aquatic Shulkers
Shulkers generate in deep oceans like clams
Ocean Title Screen
Makes your panorama more beautiful!
Beyond The Ocean
A Mod that let´s you explore beyond the oceans of minecraft. New ocean themed planets on a post End level difficulty. New structures, mobs, items and technologies. New adventures and a new story ready to be told.
ExplodeAny
Customize explosions, break obsidian, underwater TNT, Folia support, many integrations and more!
More Aeronautics Void Seas
Makes the Create Aeronautics End Sea spawn in the other two dimensions.
Aquatic Fauna Addition
A mod adding content to the oceans
Hold Your Breath
When you go underwater in-game, you need to hold your breath in real life.
Ocean's Delight BDCraft
BDCraft (originally by Sphax) patch specifically created for the Ocean's Delight mod in 512x - 32x!
Karma Shader Nightmare
A cinematic horror Minecraft shader pack that turns the dark into a living threat. Features dynamic fear mechanics, hallucination warping, drifting fog banks, a blood moon, desaturated colors, and its terrifying inverted sea ceiling.