Mods for Minecraft Java
Browse 1,101 free mods for Minecraft Java — popular picks include Glow Torches, Leviathan, Dolphin Boots.
Updated daily
Glow Torches
Adds Glow Torches, aquatic torches crafted with a glow ink sac that can be placed under water
Leviathan
A new oceanic mob for Minecraft 1.20+
Dolphin Boots
this lightweight mod adds boots that make you fast underwater
Realistic Terrain Movement
Movement speed varies by terrain block, boats break in oceans, at mountain peaks high-altitude winds push players around. Designed to encourage the use of external transport mods, particularly Create Aeronautics.
Sea eater: ocean horror
something unknown fell into the ocean
Sea Things
This mod make prismarite very good. Sea Things show you the power of Oceans, Guardians and etc.
Single Island Generator
A Minecraft world generation mod that adds an Island world type, generating an ocean-only world with one randomly generated survival island.
No Air Mining Penalty
removes the default mining speed penalty when the player is underwater or not standing on solid ground
Tek N Astra (Sea of Dreams)
This mod aims to add way more content to the game, especially post-Ender Dragon part of the game!
Lost Island
Lost Island is a Minecraft mod that places you on a tiny island in an endless ocean. Survive with scarce resources while floating barrels bring supplies to your shore. Early release — bugs may occur.
overworld underground Lava remover, and underground water remover separate files
Simply removes underground lava and water only in the overworld, be aware the water remover will make pockets of air to deep rivers and wont work on ocean biomes and its underground
Colorful Sea Lanterns
Adds craft-able sea lanterns of all dye colors.
Simple Submarines
Adds submarines for underwater exploration.
Aquatic Plugin
This is a Minecraft Plugin wich adds many Ocean and Fish releated things to Minecraft
Aquaticworld
This mod adds 5 new creatures to diversify the oceans.The mod will also add 9 new structures and their prehistory.The mod is based on the game "Subnautica"
Improved Rails (TURNABLE POWERED RAILS)
Underwater-version Rails! Rails that's always activated!
ROTP-Jumpin-Jack-Flash
Added the Stand "Jumpin' Jack Flash" from Stone Ocean.Features: barrage, heavy punch, scatter bullet, and gravity manipulation ability.
Pride Blåhaj Backport
Backports the Blahåj Replushed mod's newer pride sharks to 1.20.1.
Jeff The Landshark
Bring home Jeff the Landshark as a fully interactive companion with unique abilities, progression, collectibles, armor, weapons, blocks, and much more custom features.
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.
Sea of Steves
Boat battle plugin for Minecraft servers

Oceanic sword remastered
Adds a mythical pirate blade to your world allowing you to harness the power of the seas.
Sea Core Balance & Utilities
A balance and utility addon for Mine Mine no Mi and CartAddon, focused on cleaner PvP, reworked abilities, improved fruit terrain effects, bosses, crates, and server-friendly config tools.
OceanAntiCheat - 1.13
Anticheat for 1.13

Faentum's Deep Sea Expansion
Deep Oceans are no more safe, Dare to Face the Abyss!
UnderWater Pressure
This mod adds water pressure mechanic
Raft Flotsam - Ocean Salvage
Bring Raft-inspired ocean flotsam to Minecraft! Collect floating debris, barrels and crates while sailing, swimming or exploring the open sea.
Abyss Wretch Origin (Forge)
Play as the Abyss Wretch Origin, offering an underwater-focused gameplay that strays from the luxury-playstyle of Steve and embarks on a more difficult progression path.
RC GameShark (Cobblemon)
RC GameShark is a client-side tracking mod for Cobblemon that helps you locate and hunt specific Pokémon more efficiently. It scans nearby spawns and provides real-time visual and audio cues to guide you directly to them.
Blood in the Water
A mod that adds new and possibly deadly aquatic mobs to Minecraft!
Aquatic and Fishing
welcome to Minecraft's fishing
Puris Eco Ocean
This is a passion project from zi_jian. It adds 10 brand-new ocean biomes, 29 new entities, along with corresponding items, materials and decorative blocks. I'm still a beginner mod developer, so feel free to report any bugs you encounter.
BloodSea
magical things, nothing else
Lubrum, A Pirate's Gold and Drink!
A mod that adds Lubrum Ore into the game for new metal and that can be alloyed for use in TConstruct. Underwater treasure chests underwater filled with loot! Special distillery for creating drinkable rum. Terraria-inspired fishing crates and new fishrods!
Waterbed
Introduces a bed that lets you sleep underwater
Better Turtle Helmets
Reworks the turtle helmet to provide continous water breathing underwater at the cost of losing durablility overtime.