Mods for Minecraft Java
Browse 33 free mods for Minecraft Java — popular picks include Underwater Village, [HUGE UPDATE] Fisherman's Haven, Oceanic.
Updated daily
Underwater Village
Discover a lot of new oceanic structures!
[HUGE UPDATE] Fisherman's Haven
A huge expansion for fishing and ocean exploration in Minecraft!
Oceanic
Overhauls Minecrafts Oceans and Fishing!
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.

Fish Fix
Amends hardcoded sea level assumptions to fix aquatic mob spawning.
Mako Mermaids Mod
Live your H2O dream! Play as Cleo, Emma, Rikki or Mako characters, use elemental powers, and create your own story!
Cyra
A Minecraft mod that reveals the secrets of the ocean!
UnderDasea
A mod that aims to add life to the oceans.
More Aeronautics Void Seas
Makes the Create Aeronautics End Sea spawn in the other two dimensions.
resurfaced
Making underwater exploration easier in a simple way
bigfish: ripple
Expand vanilla fishing with new fish, attributes, collection records, bounties, QTE fishing, cooking, placeable food, exploration tools, and progression-focused aquatic gameplay.
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.
Aquatic Plugin
This is a Minecraft Plugin wich adds many Ocean and Fish releated things to Minecraft
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.
Exodus 14:27
Fixes MC-278019 bug to restore sea level in superflat worlds.
Poseidon - Underwater Survival
Shipwrecked and stranded underwater. Breathe, build, and survive in a fully aquatic island world.
Water Enhanced
Expands ocean gameplay with new resources, gear, and aquatic mechanics while staying true to vanilla.
Old Continents Slider
Remember when Minecraft had real oceans? Until 1.6.4, the world was big continents floating in a huge ocean. Since 1.7.2, it's an infinite landmass with elongated lakes.
Aquatic Creatures
Did you know we know most about the space than own ours oceans? I want to make you feel that with this mod
No Boats
This mod removes all boats from Minecraft, forcing you to travel across water the slow way. It makes oceans feel bigger and exploration harder since you can’t just zip across huge distances anymore.
Aqua Verse
AquaVerse expands aquatic biodiversity of minecraft
JellyFishy
Introduces a brand new mob for the ocean (Jellyfish) just like in real life this mob groups up (10-20 in a group) and basically just moves freely also dont touch em!
Adrenalin
This mod adds a bit of realism: when you have 2 hearts or less, an adrenaline effect activates for 2 minutes. You run faster, mine blocks quicker, deal more damage, and your screen becomes slightly blurred. After the effect ends, you get nausea for 30 sec
Under The Seas
Discontiued For Certain Amount Of Time A new gameplay to minecraft by exploring the darkness of the sea
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 […]
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 […]
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 […]
Subaquatic
Adds lots of ocean related things to 1.12.2! Including real ocean biomes, bug fixes, new mechanics, and more!
You're a fish now!
You have to breathe underwater.
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, […]
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: […]