Minecraft Java 1.21 Mods
Browse 51 free mods for Minecraft Java 1.21 — popular picks include Montana's Bushier Kelp, Underwater Sky, Water Caustics.
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Montana's Bushier Kelp
Changes the Kelp Texture to be fuller! Breathe life into your oceans!
Underwater Sky
A one-of-a-kind sky resource pack that will turn your Minecraft sky into a fully animated underwater scene
Water Caustics
Makes oceans more immersive by giving blocks animated textures to mimic water caustics from vibrant visuals, only underwater, and without the use of shaders.
Snowy Leaves
Leaves have a white, snowy color in snowy biomes above sea level.
Oceanian PvP
A Water-Themed PvP Texturepack
Sea-Through Boat
Explore the depths like never before with this crystal-clear glass-bottom boat resource pack. See underwater wonders as you glide across the ocean, bringing new life and clarity to your Minecraft adventures.
Chromakey Blocks
A resource pack for adding chromakey blocks in Minecraft! This makes it easy to take out the background from screenshots or videos like a greenscreen. This changes glowstone to green, sea lanterns to blue, and shroomlights to red.
Unlocked Void Sea - Aeronautics Addon
A simple utility mod that lets you use the "End Sea" physics from Create: Aeronautics in other dimensions. Extremely configurable.
Accurate Salmon Variation
Salmon spawned oceans will use the a salmon texture that reflects real life salmon in oceans, while river salmon use their vanilla texture
MxSxC1 No Particles
This removes the following particles: Buff Effects Rain Splashes Underwater Bubbles
Neutral Sea Grass and Kelp
Swaps out the neon colors seagrass and kelp use, with a more neutral color.
Ocean Title Screen
Makes your panorama more beautiful!
Whimscape 1.13 Panorama
The Aquatic Update Panorama! Using Whimscape and Complementary Shaders
Their Name Is Blåhaj
Renames the Blåhaj mod's Soft Toy Shark to Blåhaj
Sharky's Additions
Large Collection of Resource Packs and Nice Aesthetic Changes
Anti Nausea
A lightweight texture pack that removes or reduces the nausea visual effect for a smoother and more comfortable Minecraft experience.
Hammerheads
Replaces dolphins with sharks
AquaWindow
AquaWindow — Replaces the wooden floor of all 9 vanilla boats with crystal-clear glass. Perfect for underwater safari and ocean exploration!
Monumental Dive
Everything about Ocean Monuments. Changes textures for Guardians and Blocks
Precariously Pirouetting Pickles
Adds rotations to sea pickles!
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
Dynamite
Turns dead sea pickles into tiny dynamite charges
Water Pump
Water Pump is a simple utility mod that lets you quickly remove large volumes of water from lakes, reservoirs, underground chambers, and even the ocean floor.
GrayScale Sea Lantern
Changes and optimizes Sea lantern to black and white. Perfect for modern/aesthetic builds!
Glowing sea panorama
Changes the backdrop of your main menu to a amazing looking glowing sea.
CobbleCraft SMP - Oceanic Adventure
Cobblemon in Vanilla Minecraft with a few tweaks.
Sea Green Hearts (Monochrome)
Changes the Minecraft Hearts to be Sea Green (Monochrome) – Part of the Pride Hearts collection.
Lava Gen Tweaks
Tweak the base sea level for lava! Typically starts at -54.
Calm Columns
Tired of bubble columns cluttering your view? This pack tones down their visual intensity, making them far less intrusive while preserving their function and style. Perfect for underwater bases, mob farms, or any build where bubble spam gets in the way.
Totem of undying Shirahoshi
Pixel Art Totem of Undying inspired by Princess Shirahoshi Grace of the deep ocean. This Shirahoshi totem shimmers with mermaid elegance, coral hues, and a smile that can calm any storm.
Sea Green Tooltip (Monochrome)
Changes the Minecraft Tooltip to be Sea Green (Monochrome) – Part of the Pride Tooltips collection.
Pretty Panorama - Ocean Monument
This pack simply replaces the default panorama with an ocean monument panorama!
Sea Green Tooltip (Frame-only Monochrome)
Changes the Minecraft Tooltip to be Sea Green (Frame-only Monochrome) – Part of the Pride Tooltips collection.
Totem of undying Jinbe
The honorable fish-man himself, now in totem form. Jinbe’s calm might and tidal aura bring oceanic protection to your world.
Sea Green Tooltip (Frame-only Alt-BG Monochrome)
Changes the Minecraft Tooltip to be Sea Green (Frame-only Alt-BG Monochrome) – Part of the Pride Tooltips collection.
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.