HomeJava1.21

Minecraft Java 1.21 Mods

Browse 140 free mods for Minecraft Java 1.21 — popular picks include Partnership Mod (1.21.1, 1.20.4) – Drive Ships With Friends, Womp's Shellfish Mod (1.21.5, 1.20.1) – Fishing Just Got An Upgrade, EMD123's Ships Data Pack (1.21.4, 1.20.1) – Adventure of the Seas.

Updated daily

FiltersExploration×Ocean×Clear all
Sort140 mods
Partnership Mod (1.21.1, 1.20.4) – Drive Ships With Friends
1.21.1fabric

Partnership Mod (1.21.1, 1.20.4) – Drive Ships With Friends

Are you a fan of ships and ocean exploration? Do you want to see items in your game that are themed around water travel? If your answer is yes, the Partnership mod is for you. Partnership Mod introduces some new items themed around boats and ocean travel. This includes some costumes, lifebuoys, a kayak that […]

Womp's Shellfish Mod (1.21.5, 1.20.1) – Fishing Just Got An Upgrade
1.21.5forge

Womp's Shellfish Mod (1.21.5, 1.20.1) – Fishing Just Got An Upgrade

Womp's Shellfish Mod adds new life into Minecraft’s oceans, lakes, and beaches by adding 9 new shellfish, 6 aquatic plants, and 30+ food items. It introduces a new fishing mechanic with shellfish traps and overhauls water-based worldgen. Features: 9 new shellfish that spawn across oceans, rivers, and beaches. 6 new aquatic plants for better underwater […]

EMD123's Ships Data Pack (1.21.4, 1.20.1) – Adventure of the Seas
1.21.4

EMD123's Ships Data Pack (1.21.4, 1.20.1) – Adventure of the Seas

EMD123's Ships Data Pack introduces a new adventure structure to make the ocean more interesting. The ocean is usually considered the most empty and most boring biome in Minecraft. This simple worldgen data pack aims to make the sea a bit more exciting by adding in Illager Ship. There are a few kinds of Illager […]

The Middlelands Data Pack (1.21.4, 1.20.6) – A Miners Paradise
1.21.4

The Middlelands Data Pack (1.21.4, 1.20.6) – A Miners Paradise

The Middlelands Data Pack introduces a brand new dimension, a treasure trove for miners and explorers alike. Prepare to be awestruck by its unique biomes, vast resources, and thrilling challenges. Features: Diamonds & Gold appear abundantly in the form of ore veins. Giant caves, deep networks, lava oceans. Each biome has its own terrain, challenges, […]

Night Vision Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Night Vision Resource Pack (1.21.1, 1.20.1) – Texture Pack

Night Vision Resource Pack significantly enhances visibility in low-light conditions, making nighttime exploration, deep cave mining, and underwater adventures much more manageable. With improved lighting and clearer visuals, this pack removes the need for excessive torches or potions, allowing players to see in the dark effortlessly. Whether you're navigating dense forests, exploring vast oceans, or […]

Larion World Generation Mod (1.21.4, 1.20.1) – Fantasy-inspired Landscapes
1.21.4fabric

Larion World Generation Mod (1.21.4, 1.20.1) – Fantasy-inspired Landscapes

Larion World Generation Mod transforms the overworld with fantasy-inspired landscapes, creating new terrain, including extended oceans separating distinctive landmasses, towering mountains, and long, winding rivers carving through the landscape. The world’s height is increased for deeper caves and higher peaks, creating a new sense of exploration. Features: A world divided into landmasses with many islands […]

Archipelago Data Pack (1.21.4, 1.20.1) – Majestic Islands, Stunning Terrain
1.21.4

Archipelago Data Pack (1.21.4, 1.20.1) – Majestic Islands, Stunning Terrain

Archipelago Data Pack generates a world of breathtaking islands, each with unique terrain and features. Perfect for players who love exploration, survival challenges, or building in scenic, oceanic environments! Enjoy playing this data pack! Features: Archipelago turns you minecraft world into a unique archipelago of islands while also making mountains an shores a bit better! […]

Angel Islands Data Pack (1.21.3, 1.20.1) – Soar Through the Skies
1.21.3

Angel Islands Data Pack (1.21.3, 1.20.1) – Soar Through the Skies

Angel Islands Data Pack reshapes your Minecraft world, replacing the traditional terrain with a stunning archipelago of floating islands. Enjoy playing this data pack! Features: This worldgen data pack adds floating islands above the world's oceans whilst also retaining regular land generation! By default, islands are fairly frequent yet scattered over the oceans. Screenshots: Angel […]

No More Underwater Magma Mod (1.21.1, 1.20.1) – Removes Underwater Magma From World Generation
1.21.1fabric

No More Underwater Magma Mod (1.21.1, 1.20.1) – Removes Underwater Magma From World Generation

In Minecraft, when you place magma blocks below water source blocks, a column of water bubbles are created. This bubble column has the ability to pull players down. They are strong and cannot be outswimmed upwards. Magma blocks often generate in underwater caves in oceans, and the bubble column thus created often breaks the boats […]

Tax' Deep Villager Mod (1.21.1, 1.20.1) – Explore Underwater Villages
1.21.1forge

Tax' Deep Villager Mod (1.21.1, 1.20.1) – Explore Underwater Villages

Tax' Deep Villager Mod adds underwater villages to the game. With this mod, players can discover new villages located beneath the ocean, introducing a fresh environment to explore and interact with villagers in an aquatic setting. Features: Adds fully functional undersea villages to Minecraft Expands village exploration into underwater biomes Enhances the diversity of village […]

No More Grass and Kelp Data Pack (1.21.1, 1.20.1) – A Cleaner and Minimalist Landscape
1.21.1

No More Grass and Kelp Data Pack (1.21.1, 1.20.1) – A Cleaner and Minimalist Landscape

No More Grass and Kelp Data Pack removes grass, tall grass, kelp, seagrass, and ferns from Minecraft's world generation, creating a more barren and simplified terrain. Perfect for players who prefer a minimalist aesthetic or want more control over their world’s vegetation, offering a unique and clean visual experience in both land and sea biomes. […]

Tax' Ocean Pillager Mod (1.21.1, 1.20.1) – Conquer Pirates
1.21.1neoforge

Tax' Ocean Pillager Mod (1.21.1, 1.20.1) – Conquer Pirates

Tax' Ocean Pillager Mod introduces pirates and ocean exploration to the game. This mod adds new island structures and pirate enemies, creating a dynamic and adventurous experience for players who love sea adventures. Features: Pirate Islands: Discover mysterious islands filled with resources and challenges. Pirates and Sea Monsters: Battle new enemies, including pirates and ocean-themed […]

No More Ocean Ruins Data Pack (1.21.1, 1.20.1) – Clearer Oceans for Exploration
1.21.1

No More Ocean Ruins Data Pack (1.21.1, 1.20.1) – Clearer Oceans for Exploration

No More Ocean Ruins Data Pack removes ocean ruins from Minecraft's world generation, offering a cleaner and more open underwater environment. Ideal for players who prefer unobstructed ocean exploration or want to focus on creating their own underwater structures without the presence of these pre-existing ruins. Enjoy playing this data pack! Features: Removes ocean ruins […]

Glow Squids Actually Glow Data Pack (1.21.1, 1.20.1) – Illuminate Your Underwater Adventures
1.21.1

Glow Squids Actually Glow Data Pack (1.21.1, 1.20.1) – Illuminate Your Underwater Adventures

Glow Squids Actually Glow Data Pack makes glow squids live up to their name by giving them a real glowing effect. No more dim glow squids-now they emit light, brightening up underwater caves and adding a magical atmosphere to your aquatic explorations. Enhance your underwater worlds with these truly luminous creatures! Enjoy playing this data […]

JJThunder To The Max Data Pack (1.21.1, 1.20.1) – Transform Your World
1.21.1

JJThunder To The Max Data Pack (1.21.1, 1.20.1) – Transform Your World

JJThunder To The Max Data Pack introduces a whole new world generation experience based on JJThunder King of the Hills. It adds mountains that are 1800 blocks tall as well as flat plains, deep oceans, and smooth transitions. This data pack also introduces new noise caves that replaces old ones. They start out small and […]

Qrafty Qrafty's Oilrigs Mod (1.21.1, 1.20.6) – Adds Oilrigs To Oceans
1.21.1fabric

Qrafty Qrafty's Oilrigs Mod (1.21.1, 1.20.6) – Adds Oilrigs To Oceans

Most biomes in Minecraft have their own village type. What do ocean biomes have? Well, nothing. Qrafty Qrafty's Oilrigs Mod aims to add a villager housing to ocean biomes by adding a new structure. These new structures, called oilrigs, generate only in ocean biomes and will inhabit one villager. The structure itself is mostly made […]

Qrafty's Oilrigs Data Pack (1.21.1, 1.20.1) – Harvest the Power of the Depths!
1.21.1

Qrafty's Oilrigs Data Pack (1.21.1, 1.20.1) – Harvest the Power of the Depths!

Oilrigs Data Pack – a transformative addition to your Minecraft experience. Unleash the power of underwater resource extraction as you delve into the ocean's depths to tap into hidden oil reservoirs. Enjoy playing this data pack! Features: Underwater Oil Exploration: Plunge into the ocean's mysteries to discover hidden oil reservoirs beneath the waves. This data […]

Some Cephalopods Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Some Cephalopods Resource Pack (1.21.1, 1.20.1) – Texture Pack

Some Cephalopods Resource Pack adds multiple new variants of squids, each with unique colors, patterns, and sizes. This variety makes underwater exploration more exciting and visually appealing. The new models are inspired by real-life cephalopods, bringing a touch of marine biology into the game. By applying this slight and simple pack, players can enjoy a […]

Little Squids Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Little Squids Resource Pack (1.21.1, 1.20.1) – Texture Pack

Little Squids Resource Pack tries to supply players with a charming touch to the aquatic life in Minecraft game, reimagining the Squid as a cute, adorable creature that enhances the overall fun factor of the overall gameplay. These small changes contribute to the overall aesthetics of your game, making your underwater explorations even more enjoyable. […]

S
1.21.1neoforge

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

116downloads
O
1.21.11

Ocean Only Generation

This project makes only ocean biomes generate

70downloads
A
1.21.11

Aloria World Gen

This pack brakes the world into smaller islands and makes has a fuller deeper ocean

48downloads
Castaway - Lost in the Seas
1.21.1neoforge

Castaway - Lost in the Seas

Dive into the unknown, conquer the seas, defeat powerful foes, and uncover ancient secrets across ocean and land.

41kdownloads
Extreme RPG World Enhancement
1.21.1fabric

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.

1.3kdownloads
Mermaid Life
1.21.1fabric

Mermaid Life

Modpack for those who want a fun Mermaid experience!

1.2kdownloads
SmallAquatic's Meat Mayhem
1.21.4neoforge

SmallAquatic's Meat Mayhem

Can you beat this meat mod?

1.1kdownloads
Mermaid adventure
1.21.11neoforge

Mermaid adventure

Get ready to live a great life of a mermaid with the mermod. You can now build your base underwater.

873downloads
SGS Cogs & Creatures
1.21.1neoforge

SGS Cogs & Creatures

This modpack is for the Swansea Gaming Society Create & Cobblemon hybrid pack

298downloads
Terrarium Expanded Mod (1.21.11, 1.21.1) – Travel Across Real Earth Continents
1.21.11

Terrarium Expanded Mod (1.21.11, 1.21.1) – Travel Across Real Earth Continents

Terrarium Expanded Mod generates a real-world Earth overworld in Minecraft using actual elevation and map data. It replaces standard world generation with real global terrain, surface water, and biome layouts. The mod lets you pick different zoom levels to explore realistic continents, mountains, and oceans. It also works with popular biome mods to give world […]

Cybernetics Mod (1.21.1) – Upgrade Your Body with Custom Robotic Implants
1.21.1

Cybernetics Mod (1.21.1) – Upgrade Your Body with Custom Robotic Implants

Cybernetics Mod adds mechanical body parts and futuristic implants to your survival world. It lets you replace your character's limbs and organs with robotic upgrades to gain new abilities. You can become a fast ninja, a strong fighter, or even an underwater explorer depending on the parts you choose. The world also gets new dangers, […]

DnT Ocean Monument Overhaul Mod (26.2, 1.21.1) – Monuments Worth Exploring
1.21.1

DnT Ocean Monument Overhaul Mod (26.2, 1.21.1) – Monuments Worth Exploring

DnT Ocean Monument Overhaul Mod reimagines Ocean Monuments as massive, modular dungeons packed with treasure, danger, and variety. It transforms the once-static structures into sprawling, randomized labyrinths that reward exploration and challenge. Features: Ocean Monuments become rare jigsaw structures, similar in rarity to Woodland Mansions Each monument is split into 7 sections, each with 4 […]

YUNG's Better Ocean Monuments Mod (1.21.11, 1.20.1) – Larger, Better Rewards
1.21.11

YUNG's Better Ocean Monuments Mod (1.21.11, 1.20.1) – Larger, Better Rewards

YUNG's Better Ocean Monuments Mod is a mod focused on improving ocean monuments, making the exploration of these underwater structures more engaging and rewarding. Now, exploring ruins and underwater structures won't feel tedious. The mod transforms ocean monuments into much larger structures with completely random designs, ensuring plenty of variety. Additionally, during exploration, players can […]