Forge Mods for Minecraft Java
Browse 625 free Forge mods for Minecraft Java — popular picks include Origins:Aquanoid, Create: Flood Pulley, Sharks with Lasers.
Step by step: How to install Minecraft Java mods & modpacks
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Origins:Aquanoid
An ancient race whose bodies are composed of condensed moisture. They thrive in the aquatic realm of the Edge but suffer discomfort and slowed movement in the fiery Lower World.
Create: Flood Pulley
An addon for Create that adds a variant of the Hose Pulley without the bottomless supply mechanic, so you can drain perimeters and fill whole oceans.
Sharks with Lasers
A minecraft mod for Evil villains that mean Business
Cinch's Extra Torches
This mod adds two new types of torches that can be placed underwater. They are glowstone and glow ink torches.
Sea Urchin
This mod adds a sea urchin. Sea urchin can drop a item. A Item can be used for cooked sea urchin
Breath Kelp
Vanilla kelp now acts as a quick underwater breathing source.
Crossing Pyriphlegethon
Boats to cross the infernal fire-flaming river. (Or the nether’s lava oceans)

Blue Oceans
Blue Oceans is a technology-adventure mod designed to enhance the player's gaming experience by incorporating real-life items.It also includes some magical items.
Continental Floating Islands
Explore expansive floating islands separated by vast oceans of void
Acuatic Practic
It's a mod with strange and funny aquatic beings.
Origins: Flying Fish
Flying Fish — fragile aquatic race with 5 ❤️. Breathes underwater (Oxygen resource, 0–100) but suffocates on land. Has built-in elytra, water blades, high swim speed. Weaknesses: fire, slowness on land, oxygen drain in Nether/flight/deserts.
All About Engie Sharkos
Sharkos, they're a mix breed. What could be awaiting our journey?
Use Sea Lantern To Craft Beacon
This mod allows craft a beacon using a sea lantern
Echo's Chocolate
This Mod is focused on chocolate that has plain chocolate, sea salt chocolate and chocolate with fudge, in dark and milk chocolate.
NauseaPotionMod
This potion is only available in Creative Mode. Tired of missing the Nausea effect in vanilla Minecraft? This mod adds a not craftable Nausea potion—no commands required. Or, if you want it even shorter: Creative-only.
Travis's Oceanic Biomes
Adds more oceanic biomes to your world!
Realistic World Gen: Revived
Continuation of Realistic World Gen, brings ocean update.
Misanthrope Gas Engine
Atmospheric simulation, simulating gas pressure, all real life gasses, real thinning atmosphere, and reworked breathing to reflect, this affects all non-aquatic mobs

Flying Too Much Gives Nausea
Gives you nausea when you fly for too long
Tidemark Additions
Minecraft mod for Forge that adds a few aquatic features: two new mobs, new armor and tool sets, items, effects, and achievements
Seals OG
Friendly semiaquatic marine mammal!
Remove Armor Enchant 实用附魔与爱的魔药
Added a few powerful enchantments to the original version, helpful for combat and underwater exploration.本模组添加了两种附魔脱甲与炸塘,让你在战斗和环境破坏中有更多玩法。
Echoo's Structures Mod (26.3) – Conquer Redesigned Dungeons for Rare Loot
Echoo's Structures Mod populates your Minecraft worlds with rebuilt landmarks and fresh points of interest. It revamps large vanilla dungeons like Nether Fortresses and Ocean Monuments with updated floor plans and custom loot tables. The mod also places small trading posts across different biomes, giving wandering traders fixed spots to rest with their llamas. You […]
Echoes of Horizons Mod (1.20.1) – Reach Alien Worlds Through Stargazing
Echoes of Horizons Mod introduces new planets and alien civilizations to explore beyond the Overworld. This mod skips standard portals and lets you travel into space by finding special structures in your world. You can visit deep ocean worlds, wander across vast desert landscapes, and meet unique mob tribes. Features: Spawns rare Observatory structures across […]
Bountiful Critters Mod (1.20.1) – Collect Wild Beasts and Tame Loyal Base
Bountiful Critters Mod populates your biomes with unique animals and handy items. It adds fresh wildlife across oceans, jungles, forests, and savannas. You can collect these creatures for your home base, tame guards for protection, or gather special drops to cook food and craft decorative blocks. Features: Sunfish: Spawns in ocean biomes, drops meat that […]
Wilderness Truce Mod (26.2, 1.20.1) – Stop Wild Predators From Hunting Peaceful
Wilderness Truce Mod stops wild predators from hunting down peaceful animals in your Minecraft world. It removes hostile attacks between wild creatures, so you no longer find stray items like wool and raw meat scattered across biomes. The mod keeps your forests and oceans calm by letting wild animals live side by side in peace. […]
The Paradox Mod (1.21.1, 1.20.1) – Raid Dystopian Ocean Bases in a Hostile
The Paradox Mod transports you to a dystopian future to stop invaders from destroying your timeline. Hostile scouts come to your world at night to gather resources for an industrial base built across a dead ocean. By tracking them down and crossing timelines, you can infiltrate their structure, scavenge unique technology, and defeat the central […]
Animal Garden Narwhal Mod (26.3, 1.20.1) – Tame Horned Companions
Animal Garden Narwhal Mod brings narwhals to frozen ocean biomes. Players can meet these horned ocean mammals swimming across cold waters, breed them, and tame them using fish items. The mod adds loyal ocean companions that protect players from aquatic threats and warn of incoming danger. Features: Narwhals spawn naturally across frozen ocean biomes with […]
Tidal Towns 9minecraft Mod (26.3) – Trade with Floating Villages Across Deep Oceans
Tidal Towns 9minecraft Mod generates floating settlements on the water surface of deep ocean biomes. These towns feature wooden houses, crop farms, tall watchtowers, and lantern-lit bridges that connect every platform together. Villagers live and work throughout each town just like in standard land villages. You can find these communities while traveling across open seas […]
Monsters&Girls Secrets of Mermaids Mod (1.20.1) – Tame Mermaid Companions
Monsters&Girls Secrets of Mermaids Mod populates your oceans and beaches with unique aquatic monster girls. You can find deep-sea predators, friendly reef dwellers, and shell-wearing crab companions in your waterways. Taming these aquatic friends grants helpful perks, special items, and new underwater gear during your ocean journeys. Features: Populates oceans, beaches, and rivers with distinct […]
Prisma Craft Mod (26.1.2, 1.21.11) – Conquer Deep Oceans with Prismarine Armor
Prisma Craft Mod expands ocean exploration with new gear, marine creatures, and underwater structures. It turns prismarine into a full equipment tier for weapons, tools, and armor pieces. Players can hunt underwater with spearfishing mechanics, explore ocean ruins, and encounter new sea minibosses in Ocean Monuments. You can also pick up a guide book from […]
Best Revived Animals Mod (1.20.1) – Encounter Classic Wildlife
Best Revived Animals Mod ports the classic content of Better Animals Plus to modern Minecraft versions. This mod populates biomes with dozens of distinct beasts, birds, and aquatic life featuring their original models and smooth animations. You can encounter brown bears in forests, coyotes across deserts, or flying fish leaping from ocean waters. Each animal […]
Dangerous Waters Mod (1.20.1) – Survive Hostile Oceans and Sunken Laboratories
Dangerous Waters Mod fills the ocean with underwater structures, hostile sea beasts, and rare resources. Traveling across open water becomes exciting with over fifty new structures, unique ocean biomes, and custom mobs lurking in the dark depths. You can gather new ores, craft specialized underwater armor with battery-powered oxygen systems, and explore massive sunken laboratories […]
Improved Happy Ghast Mod (26.3, 1.21.11) – Turn Friendly Ghasts Into Perfect
Improved Happy Ghast Mod upgrades Happy Ghasts into reliable flying companions through simple item interactions. You can adjust their movement, reduce their hitboxes, silence their noises, and call them across dimensions using everyday items. The mod also keeps riders mounted underwater and sends helpful warning messages whenever your pet takes damage. Features: Right-click with a […]
Cliff Under a Branch Cliff Branch Mod (26.3, 1.20.1) – Roam Rugged Mountains
Cliff Under a Branch Cliff Branch Mod expands the Minecraft Overworld with fresh terrain and improved vanilla biomes. This mod brings new land regions, deeper oceans, and unique cave systems while keeping the classic vanilla feel. You can find deep ocean trenches, travel through tall canyon pillars, and spot cozy desert oasis areas. The mod […]
MOS Moog's Ocean Structures Mod (26.3, 1.20.1) – Find Ancient Ruins
MOS Moog's Ocean Structures Mod populates the sea floor and water surface with over one hundred vanilla-style builds. It scatters ancient Atlantean ruins, broken shipwrecks, submerged temples, and drifting rafts across every water biome. Every build uses vanilla blocks and mobs, keeping the original look of Minecraft intact. Players can search through hidden chests, explore […]