Minecraft Java 1.21 Mods
Browse 33 free mods for Minecraft Java 1.21 — popular picks include FTB OceanBlock 2, Illager War Trireme, Unstable SMP Simulator.
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FTB OceanBlock 2
Nothing but endless ocean. No land. No rescue. You’re alone - or so you think...
Illager War Trireme
Adds an Illager War Trireme to warm ocean biomes
Unstable SMP Simulator
Pre-configured Unstable SMP battle simulator modpack. Includes: Final Law Battle, 2v1000 Law Battle, Great Sea Law Battle, Tournament, Cindercrest Battle, Lakerek VS Wemmbu, Law End Island Defense, Mist, Smuggler Path Law Fight, Underworld
rainbow`s 3D Trident
Full vanilla! Stunning custom model that brings your underwater weapon to life.
XAquatic
XAquatic Official Pack Made by Me
Indian ocean
🌊 Indian Ocean 🌊 - ocean themed aquamarine blue 16x Crystal PvP resourcepack
Medieval Empires Official
Build, battle, and rule your empire! 🏰⚔️ Lead villagers, forge armies, and wage war across ages—from swords to muskets. Face rival kingdoms, sea beasts, and dragons in a world where only the strongest leaders survive. Will you rise… or burn?
Oceanian PvP
A Water-Themed PvP Texturepack
小鲨鱼pvp材质包Sharky PvP Texture Pack
实用简约的pvp起床战争材质包，持续更新中——小鲨鱼工作室出品 A practical and minimalist PvP Bed Wars resource pack with low on fire, continuously updated — produced by sharky workshop
The Red Sea Tools
Change your vanilla tool to be cooler and better
Over the Sea | Underwater Adventures!
Facing new aquatic dangers in a world made up entirely of water and small islands floating on it.
Blacksea animation for punchy(黑海)
A resource pack built on the Punchy mod that swaps out the axe animations in-game for ones inspired by the 'Black Sea' weapon from Delta Force."
SHARKSQUAD - True Heroes
A modpack for the SharkSquad - True Heroes project
SBW Advanced Warfare (Working on another model update))
Adds a lot of very well made vehicles from air to ground to sea
One Island
Start alone on a small island in an endless ocean. Gather resources, build, explore, and survive with what the sea provides.
Anti Nausea
A lightweight texture pack that removes or reduces the nausea visual effect for a smoother and more comfortable Minecraft experience.
Submarines'n Torpedoes
Adds submarines with sonar, homing torpedoes, and underwater combat to Minecraft.
Billy's Origins
Billys Origins is a hardcore player role based modpack with additions and content for every unique Origin. With enhanced sea floors to the stars in the sky you'll never find yourself bored.
CobbleCraft SMP - Oceanic Adventure
Cobblemon in Vanilla Minecraft with a few tweaks.
Emberfall Trojan War
A modpack to live in a true ancient greek world, build cities, sail oceans and more!
Aquatic SMP Essentials
a pack to make your aquatic smp experience way better
Sea Green Hearts (Monochrome)
Changes the Minecraft Hearts to be Sea Green (Monochrome) – Part of the Pride Hearts collection.
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.
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.
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.
RaceSystem
RaceSystem includes 7 races: Human, Shark, Bird, Rabbit, Undead, Demon, and Giant. Each race gives unique abilities like flight, underwater buffs, speed boosts, combat bonuses, or increased health and damage, while Human has no special abilities.
Shark's PVP texture pack
This PvP texture pack adds and changes all classic PvP items (see image) to a sea/shark theme
Create: Pirates
Post-apocalypse world where sea level has risen, and you must survive.
SharkventurousCraft
SharkventurousCraft is a Create-focused exploration modpack for Minecraft 1.21.1 (NeoForge).
Toasts Abilities
A data pack that adds 7 different custom classes, each with a ability, ultimate and a passive to improve combat. They are: Wind, Electric, Space, Sculk, Life, Metal and Oceanic
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 […]
Hadopelagic Reach Mod (1.21.1, 1.20.1) – Survive Deep Ocean Depths
Hadopelagic Reach Mod transports players into a deep underwater realm filled with dark biomes, dangerous predators, and giant bosses. Players enter this aquatic world by entering a typhoon, encountering extreme water pressure, toxic zones, and hidden chasms. The mod adds tameable sea life, mountable sea creatures, rare crafting ores, and powerful combat gear tailored for […]
Tank Boat Resource Pack (1.21.11, 1.20.1) – Turn Vanilla Boats Into Armored
Tank Boat Resource Pack replaces standard wooden boats with miniature tank models across your rivers and oceans. This pack turns everyday boat trips into fun military patrols across water and ice. Different wood types change the vehicle colors to match your chosen materials. It keeps standard boat physics while providing a fresh mechanical theme for […]