Forge Mods for Minecraft Java
Browse 43 free Forge mods for Minecraft Java — popular picks include Aquatic, Mountain Sea and Continent three(山海大陆), Aures - Sea Dwellers.
Step by step: How to install Minecraft Java mods & modpacks
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Aquatic
Harness the power of the watery depths, adds mechanics that allow you to build underwater and more!
Mountain Sea and Continent three(山海大陆)
It includes level enhancement, independent attribute system and damage mechanism, magic modification against enemies and creatures, complete upgrade and development system, and constantly improving building structure for players to explore.
Aures - Sea Dwellers
Underwater villages and sea traders with random generation. Vanilla style.
Dorsal Moon
An add-on for Enhanced Celestials, adding a Moon that aids in ocean exploration for the night.
Simply: Immersive Drowning
Adds an aquatic element of realism to Minecraft!
One Piece World Like - Mine Piece
Transforms Minecraft into a true One Piece-inspired world with custom oceans, islands, conquest systems, and Grand Line exploration for the Mine Piece mod.
UnderDasea
A mod that aims to add life to the oceans.
bigfish: ripple
Expand vanilla fishing with new fish, attributes, collection records, bounties, QTE fishing, cooking, placeable food, exploration tools, and progression-focused aquatic gameplay.
A Fisher's Dream
A modpack centered around enhancing fishing and aquatic adventures, featuring new fish species, improved mechanics, unique tools, and expanded water biomes for an immersive experience.
Ore Minus
Customize Minecraft ore spawn rates by biome. Easily set multipliers for vanilla and modded ores (e.g., 2x diamonds in deserts, zero coal in ocean). Essential modpack ore distribution tool.
UnderWater Pressure
This mod adds water pressure mechanic
Depths Reborn
This mod adds the Nautilus. Work will also be done to add some aquatic mobs and mob votes, such as the crab and The Monster Of The Ocean Depths, as well as others.
Total Water World
Raises sea level to y=200 & removes all non-ocean biomes.
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.
Lunar Origins: Wopol
An aquatic Origin for the Origins mod. Requires Lunar Origins Core.

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.
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.
Sea Legend
Sea Legend adds a massive multi-phase ocean boss, the custom Leviathan Abyss biome, pirate ships, shipwrecks, lighthouses, exploration maps, unique loot, Abyssal armour and the powerful Fang Blade.
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.
Continental Floating Islands
Explore expansive floating islands separated by vast oceans of void

Flying Too Much Gives Nausea
Gives you nausea when you fly for too long
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 […]
Transcending Trident Mod (26.2, 1.20.1) – Riptide Without Rain
Transcending Trident Mod is a Minecraft mod that upgrades the vanilla trident mechanics, making them more versatile and fun-especially for players who love mobility and aquatic combat. Features: Riptide Without Rain: Use the Riptide enchantment even when it’s not raining-just hold a water bucket in your offhand. Great for dry biomes or indoor builds where […]
Wonderous Sea Mod (1.20.1, 1.20) – Endless Ocean
Wonderous Sea Mod adds over 30 new aquatic animals, items, and mechanics to Minecraft, aiming to make survival oceans lively and immersive. Features: Adds 31+ new aquatic animals with spawn eggs. Expands oceans, rivers, and mangroves with diverse wildlife. Includes new items tied to aquatic survival. Focused on livelier oceans for exploration and immersion. Screenshots: […]
Fish Bonanza Mod (1.21.1, 1.20.1) – New Aquatic Creatures
Fish Bonanza Mod adds a large number of new fish. The mod focuses on increasing variety in what can be caught while fishing, without changing core fishing mechanics. All fish are obtained through regular fishing and integrate naturally into the existing game flow. Features: Adds around 100 new fish types to the game. New fish […]
FireCatGamesUA More Villagers Mod (1.20.1, 1.20) – Diverse Occupations For Villagers
FireCatGamesUA More Villagers Mod is a mod that expands Minecraft's village & villager system, adding new occupations, more diverse trades. Features: The mod adds new professions such as Oceanographer, Netherologist, Forester, Miner, Hunter, Painter, Gardener, Woodcutter, Mechanic, Musician, Baker, Archaeologist… Each profession corresponds to a separate workstation, and if the correct workstation is placed, the […]
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 […]
Paranoia Mod (1.20.1, 1.19.2) – Injury, Hunger, Inclement Weather, Darkness
Paranoia Mod introduces a dynamic paranoia mechanic. It activates under specific adverse conditions such as injury, hunger, inclement weather, darkness, and underground or underwater exploration. When triggered, the mod induces a state of heightened tension through various unsettling effects. Consequently, players will face challenges including the inability to sleep, persistent mob pursuit, and unpredictable sensory […]
Yakurum Mod (1.20.1) – Conquer The Depths
Yakurum Mod is an expansive water-themed mod that brings boss fights, powerful armor, unique weapons, and mystical creatures into your Minecraft world. Explore aquatic structures, battle ferocious sea monsters, and harness new resources to craft legendary gear. Features: Mysterious structures scattered across the world, holding secrets to uncover. Unique mechanics that enhance survival and combat. […]
Big Fish Mod (1.20.1, 1.19.4) – Better Fishing Experience
Big Fish Mod introduces new fish species into Minecraft's waters, enhancing the fishing and aquatic exploration experience. This mod adds larger, more detailed fish that can be found in various biomes, making the underwater world feel more vibrant and dynamic. Features: New fish species with unique designs. Improved fishing mechanics for better immersion. Aquatic biodiversity […]
Cubic Racers Mod (1.20.1) – Versatile Vehicles for Land, Water, and Air Racing
Cubic Racers Mod brings the excitement of kart racing, offering an experience for beloved classic racing games. This mod adds customizable karts that can race on land, underwater, and even in the air, so you can organize a race on any surface. Players can enjoy drifting mechanics for mini-boosts, adding a strategic layer to races. […]
Endless Ocean Adventures Mod (1.16.5) – New Exotic Fish Types
Endless Ocean Adventures Mod enhances the aquatic part of Minecraft, creating a world where players can experience the vastness of the ocean. Here, you can encounter new fish, items, and blocks, and explore new mechanics. With this mod, you can once again embark on underwater exploration and even decorate your home by creating your own […]
Let Fish Love Mod (1.20.1, 1.19.2) – Aquatic Ecology Evolved, Experience Fish Breeding
Let Fish Love Mod revolutionizes aquatic life in Minecraft by introducing a captivating breeding mechanic for fish, allowing players to witness the natural cycle of reproduction within their virtual aquatic environments. With this mod, players can now create fish farms and utilize fish more readily in the game, adding depth and realism to underwater gameplay. […]
Thin Air Mod (1.20.4, 1.20.1) – Survive or Suffocate
Prepare for an air-tight challenge with Thin Air Mod the Minecraft new feature that takes your survival skills to new heights-literally. This unique mod introduces hardcore air mechanics that add an extra layer of realism and difficulty to your gameplay. As you venture away from the world's sea level, breathing becomes increasingly challenging, turning cave […]
Aqua Combat Mod (1.20.1, 1.19.2) – Integrate Weapons from Aquamirae with Better Combat
Aqua Combat Mod is an addon that connects the Aquamirae mod and the Better Combat mod. The mod focuses solely on integrating weapons from Aquamirae into Better Combat's combat mechanics, making gameplay more compatible and effective in underwater environments. Features: All weapons in Aquamirae are fully supported, allowing the use of new combat moves (such […]