Minecraft Java 1.21 Mods
Browse 140 free mods for Minecraft Java 1.21 — popular picks include The Abyss Ocean, Overworld - End Sea [Create Aeronautics], Aquatic Creatures.
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The Abyss Ocean
Reshape the entire world generation with this mod, the entire world turns into a deep-abyss ocean. Structures like Villages, Trial Chambers, and Strongholds rarely spawn.
![Overworld - End Sea [Create Aeronautics]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/143591.webp)
Overworld - End Sea [Create Aeronautics]
This project adds an Aeronautics End Sea to the Overworld
Aquatic Creatures
Did you know we know most about the space than own ours oceans? I want to make you feel that with this mod
Lava Gen Tweaks
Tweak the base sea level for lava! Typically starts at -54.
Realistic Oceans
Adds realistic & deep oceans to minecraft
Piersprawl
Adds a village on the ocean
Eternal Ocean
An ocean world with creatable ships along with many new fishes and other creatures. Swimming and fishing are overhauled, along with plenty of new structures and biomes to explore.
Oceanographic
Towering islands and deep oceans
No Boats
This mod removes all boats from Minecraft, forcing you to travel across water the slow way. It makes oceans feel bigger and exploration harder since you can’t just zip across huge distances anymore.
Aqua Verse
AquaVerse expands aquatic biodiversity of minecraft
Leviathan Ocean
Makes oceans absurdly deep. Inspired by a Wifies' video.
![[Aeronautics] Overworld End Sea](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/143599.webp)
[Aeronautics] Overworld End Sea
Enables Create Simulated/Aeronautics' End Sea mechanic in the overworld, for void-accessible worldgen
EndlessOcean
Adds a customizable endless ocean after a certain distance from 0,0.
Under The Seas
Discontiued For Certain Amount Of Time A new gameplay to minecraft by exploring the darkness of the sea
Oceanvancements
This project adds a new advancements tab focused on ocean adventure and exploration.
Big Globe - Create: Molten Vents Compatibility
Adds compatibility between Create: Molten Vents and Big Globe by enabling aquatic vents to generate naturally in Big Globe oceans.
Oceanographic: Fractured
Oceanographic with aquifers enabled
SharkventurousCraft
SharkventurousCraft is a Create-focused exploration modpack for Minecraft 1.21.1 (NeoForge).
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.
Lava Ocean
Adds A New Biome Called Lava Ocean!
Calor
Calor is a worldgen datapack for Minecraft versions 1.21 and newer. It raises both the sea level and snow line.
Legacy Islands
Datapack that causes 1024x1024 "islands" of regular generation to be surrounded by forced deep oceans.
Lavaflow Data Pack (1.21.11) – A Dynamic And Deadly Nether Overhaul
Lavaflow Data Pack transforms the Nether with multi-layered lava rivers, cascading lavafalls, vast oceans, and properly shaped valleys. Explore new biomes and structures in a more immersive and treacherous underworld! Enjoy playing this data pack! Features: Lavaflow completely overhauls the nether. Instead of the random noise of the vanilla nether, Lavaflow features specifically crafted terrain, […]
Superflat Dimensions Data Pack (1.21.10, 1.20.1) – All Dimensions, but Flat
Superflat Dimensions Data Pack changes how your Minecraft worlds are built. It makes every dimension, including the Overworld, Nether, and End, completely flat. Unlike the regular Superflat world option, this pack keeps all the different biomes. This means you can still explore flat snowy plains or vast oceans. You will also find normal structures like […]
Craftable Tridents Data Pack (1.21.11, 1.20.1) – Craft Tridents with Breeze Rods
Immerse yourself in aquatic adventures with the Craftable Tridents Data Pack. This innovative addition to Minecraft allows you to craft your own tridents, unlocking the power of the seas for resource gathering, combat, and underwater exploration. Features: Adds a crafting recipe for the trident in a balanced way! Screenshots: Craftable Tridents Data Pack Download Links […]
Unwrecked Ships Mod (1.21.11, 1.20.1) – Vanilla Shipwreck Structures Repaired
Unwrecked Ships Mod revitalizes Minecraft's oceans by adding fully intact ship structures to the game. Unlike the usual shipwrecks, these functional and complete vessels serve as ready-made bases or exploration hubs. Features: Instead of broken ruins, ships now appear intact and seaworthy, naturally generating in your world Adds 7 ship types using vanilla wood combinations […]
Cobblemon Extra Structures Mod (1.21.1, 1.21) – New Landmarks
Cobblemon Extra Structures Mod adds new exploration structures and additional ways to encounter Pokémon. Features: New major structures such as: Bell Tower, Sea Mauville, Desert Ruins, Cave Island, Ancient Tomb, and The Under. Screenshots: Cobblemon Extra Structures Mod Download Links For Minecraft 1.21.1, 1.21 Fabric Version: Download from Server 1 – Download from Server 2 […]
Countered's Settlement Roads Mod (1.21.10, 1.20.1) – Generates Roads Between Villages
Countered's Settlement Roads Mod will add roads to Minecraft that will connect villages. These paths perfectly complement the game's atmosphere, as if the villagers themselves walk between villages to exchange items. Now villages are not isolated from each other, and during world exploration, you can simply walk between villages. Even among oceans and seas, buoys […]
Aetherial Islands Data Pack (1.21.10, 1.20.1) – Voyage Of Discovery And Wonder
Aetherial Islands Data Pack creates a whimsical floating islands world, with mountains, rivers, and floating ocean bowls. Features: This world generation datapack seeks to redefine the standards for floating island generation. The typical floating island generation tends to be large fragmented land masses. Not to mention they don't have hills, rivers, or oceans. But this […]
When Dungeons Arise Seven Seas Mod (1.21.10, 1.20.1) – Conquer The Depths
When Dungeons Arise Seven Seas Mod is an addon for When Dungeons Arise, introducing massive ocean-themed structures to explore. This expansion enriches the underwater and maritime experience with new locations, challenges, and treasures, making ocean exploration more rewarding. Features: Works alongside When Dungeons Arise, enhancing world generation without disrupting the original mod’s balance. Discover sprawling […]
Aquatic Additions Mod (1.21.8, 1.20.1) – Turtle Armor
Aquatic Additions Mod completes the vanilla turtle armor and adds an upgraded version to enhance underwater exploration Features: Turtle Armor: Complete the vanilla turtle armor with Aquatic Additions. When you wear the full set, you gain permanent underwater breathing. Armor of the Turtle Master: Upgrade your Turtle Armor with a conduit to gain permanent underwater […]
Smiley Axolotls Resource Pack (1.21.1, 1.20.1) – Texture Pack
Smiley Axolotls Resource Pack is a charming texture pack that gives Minecraft’s axolotls adorable smiling faces, injecting a dose of personality and cuteness into aquatic exploration. Each variant gets its own expressive look without straying far from the vanilla color scheme or feel. The pack aims to keep things light and playful, making your underwater […]
Lithosphere Mod (1.21.8, 1.20.1) – Realistic and Detailed World Generation
Lithosphere Mod is a mod that enhances world generation, creating more realistic and cinematic landscapes. It introduces continents of different sizes separated by oceans, with occasional islands. The coastlines are more gradual with wide beaches, steep cliffs in mountainous regions, and smoother, higher peaks compared to the default. Additionally, rivers are less common but form […]
Better Single Biome Mod (1.21.4, 1.21.1) – Improves Single Biome World Generation
Better Single Biome Mod makes a few changes to the world generation to make worlds generated in single biome mode a lot better. All biomes are supported except water biomes and mangrove swamp. The mod lowers the sea level, lowers the geode generation level, improves underwater vegetation, increased structure generation, etc. Features: World generation tweaks […]
No More Grass And Kelp Mod (1.21.1, 1.20.1) – Removes Grass & Kelp From World Generation
When building underwater structures in the ocean, you will have to manually remove a lot of kelp plants. Similarly, when building on plain terrains, you will have to clear out grass from the ground. Both of these can be inconvenient at times. Do you want both grass and kelp to be removed from the game? […]
Can't Touch Water Mod (1.21.8, 1.20.1) – Water Kills On Contact
Can't Touch Water Mod is a fun challenge mod that tests your survival limits. The mod adds a simple new change – water will kill you instantly upon contact. Swimming and ocean exploration are key elements of the survival gameplay. And with this mod installed, those elements of the game are restricted. Features: Adds a […]