Forge Mods for Minecraft 1.21
Browse 26 free Forge mods for Minecraft 1.21 — popular picks include YUNG's Better Caves (Forge/NeoForge), Ocean Floor - Clay Sand and Dirt, Underwater Village - Oceanic Structures.
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YUNG's Better Caves (Forge/NeoForge)
Overhauled cave generation, underground lakes and rivers, lava oceans, and more!
Ocean Floor - Clay Sand and Dirt
Spawns patches of Clay, Sand, and Dirt, within the Deep Dcean layer of boring gravel
Underwater Village - Oceanic Structures
Discover a lot of new oceanic structures!
Awesome Dungeon Ocean
This mod adds dungeons to your ocean, like boat, ruin..
Ocean World Dimension
Explore an endless ocean in the Deep Sea dimension!
Aquatic Additions
Aquatic Additions completes the vanilla turtle armor and adds an upgraded version to enhance underwater exploration
Unnamed Sea
Additional structures for the sea and beach biomes, focusing on an immersive expansion for the vanilla game.
Aetherial Islands
Datapack that creates a whimsical floating islands world, with mountains, rivers, and floating ocean bowls!
One Survival Island
Datapack that creates a Single Survival Island in an Infinite Ocean World
Better Cave Worlds
Datapack that creates Cave Worlds, based on the old preset, featuring all biomes, ocean caves, and most structures.
Revamped Floating Islands
Datapack that creates Floating Island worlds based on the old preset, with all biomes and structures. Additionally featuring floating oceans and rivers.
No More Ocean Monuments
Removes ocean monuments from the world generation.
Temperature Bands
Modifies world generation to place biomes into repeating temperature bands. Compatible with most worldgen mods. Now with humidity based on proximity to river and/or ocean too!
Over the Sea | Underwater Adventures!
Facing new aquatic dangers in a world made up entirely of water and small islands floating on it.
Scuba Diving Suit
Scuba Gear adds a functional diving suit designed for underwater exploration, explore the ocean with confort in a vanilla way.
Repurposed Structures - Better Ocean Monuments Compat Port
TelepathicGrunt’s Repurposed Structures - Better Ocean Monuments Compat Datapack ported to Forge, NeoForge, Fabric and Quilt!
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 […]
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 […]
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 […]
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 […]
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
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 […]
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 […]