Minecraft Java 1.21 Mods
Browse 750 free mods for Minecraft Java 1.21 — popular picks include Sky Archipelago Cave Fix, MegaGanDon, PlayerHeadsUnderwater.
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Sky Archipelago Cave Fix
Workaround for cave generation with ocean-based islands in Sky Archipelago. Only for version 1.3.4 and 1.21.1 NeoForge
MegaGanDon
MegaGanDon is a giant aquatic mob (megalodon) for Fabric 1.21.x: realistic swimming, neutral behavior with aggro when attacked, jumping on land, spawning eggs, sponge drops, and localization. Lightweight and customizable.
PlayerHeadsUnderwater
This Minecraft plugin allows players to place player heads in water without them breaking
Ocean Only Generation
This project makes only ocean biomes generate
raftfishing
This is a mod created for my personal Aeronautics modpack, which generates configurable custom floating objects on the ocean.
Aloria World Gen
This pack brakes the world into smaller islands and makes has a fuller deeper ocean
OneWayExchanges
Give an item to a player by right clicking. Nice if on a skyblock or underwater/lava if you can't drop that item.
CaveEraser
Detect and fill underwater caves for bedrock flattening
Sea Salt Vanilla
Sea Salt Vanilla is a client-first Fabric modpack that improves the everyday Minecraft client experience across singleplayer and multiplayer.
SpiritSMP SharkX Pluginja
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CaveEraser - Water Cave Fill Tool
Detect and fill underwater caves for bedrock flattening
DnT Ocean Monument Overhaul
This Mod/Datapack Overhauls the Ocean Monument, turning it into a jigsaw structure, every room has randomized walls and floors, and some loot chests are scattered around
Tax' Deep Villager
Modification aims to add undersea villages.
Awesome Dungeon Ocean edition - Neoforge
This mod adds dungeons to your ocean. (🆕 NEW Structure added 3 boat)
The Submarine [Neo/Forge]
Explore Minecraft’s oceans like never before with the Customizable Submarine mod! Build your own submarine piece by piece using a brand-new material: Stainless Steel, extracted from a unique new ore.
Night Vision Ultimate | Best Night Vision
Night Vision Pack for Minecraft without turning off achievements by. Enjoy full brightness anywhere—no potions needed! Perfect for caves, night, and underwater.
Castaway - Lost in the Seas
Dive into the unknown, conquer the seas, defeat powerful foes, and uncover ancient secrets across ocean and land.
Womp's Shellfish Mod
(Fabric / Forge / NeoForge) Adds several types of shellfish to the game, enhancing aquatic life and ambience.
realistic water mod
Finite water physics with gravity flow, calm equalization, ocean waves, and no infinite sources.
Sea Myths: Legendary Ocean Monsters & Bosses Creatures
Face the Leviathan, Kraken, Bloop, Protector, and Sea Eater! Adds 7 massive ocean bosses and sea monsters with powerful scale armor. Includes rideable Bloops!
DS Dragonborn - Cave, Forest & Sea
Adds dragonborn for the 3 default dragons to Dragon Survival
IRON OCEANS | Blood oceans inspired by Iron Lung | Polytone required! | PaleoTech |
A simple resource pack that changes ocean water and fog color.
Cleared Water
Enjoy Minecraft’s oceans, rivers, and lakes with crystal-clear water for better visibility and a more immersive experience.
Moai Prismarine King Statue
Adds a new structure to the Overworld, The Moai Prismarine King Statue, can be found in Ocean Biomes with custom Loot Tables and Enemies.. compatibility for 1.20 to 26.1.2
Big Globe - YUNG's Better Ocean Monuments
A compatibility datapack for YUNG's Better Ocean Monuments, makes structures generate correctly in Big Globe
Dwellers Of The Deep
Adds 3 sea creatures and 1 penguin-like creature to scare you
Big Globe - Hopo Better Underwater Ruins Compatibility
Compatibility between Big Globe and Dungeon Crawl that ensures the correct generation of personalized world structures.
Waves | Core of Aquatic plugins
Waves is a Core of Aquatic plugins
Fantastic Fishery
An addon for Hybrid Aquatic that adds various imaginary fish
Mermaidia Culture (In Progress)
A Tropical Mod that adds new ocean themed blocks, variants to already existing blocks, mermaid tails, mobs, and more!
SpongeCraft GUI – Jellyfish & Krabby Patty HUD
A SpongeBob-inspired GUI pack with custom hotbar, HP, hunger, settings, and inventory for a fun undersea vibe.
Update Aquatic Panorama with Shaders
Great looking Resource Pack that adds Shaders to the 1.13 Panorama.
Mako Mermaids/ H20
A Mod that adds H2O and Mako Mermaids Into Minecraft!
Torrezx-heart of the sea
changes the texture of the heart of the sea item for this new version,now in the shape of a heart and not an eye
Extreme RPG World Enhancement
This is a modpack that adds more vanilla features such as more sea life and better biomes both with an added element of better magic.
Mermaid Life
Modpack for those who want a fun Mermaid experience!