Mods for Minecraft Java
Browse 370 free mods for Minecraft Java — popular picks include Wonderous Sea - Endless Ocean, Sirens Of The Deep , FantasticFish.
Updated daily
Wonderous Sea - Endless Ocean
Wonderous Sea adds new under represented marine life to the world of Minecraft!
Sirens Of The Deep
The mod adds sirens to the overworld oceans
FantasticFish
Fish Mobs and Improved Ocean Generation in 1.7.10
deep oceans
deep oceans is a mod that adds very deep oceans
Wild Animals
This datapack adds elephants, jellyfishes, sharks and more, without causing lag to the server! No resource pack required
Sea Creeps
Sea Creeps have swam into Modrinth! The ocean just got explosive...
Aures - Sea Dwellers
Underwater villages and sea traders with random generation. Vanilla style.
Do you like sharks? UwU
Shark furry mod

Deep Waters
mermaids dimension
Cthulhu (Discontinued)
This mod gets rid of the safety and peace of the vanilla minecraft oceans by adding a creature different from any horror mod you've seen so far. It doesn't kill you, instead he makes sure to keep you alive in order to mess with you even more.
Mystic Seas
A mod that introduces mermaids, mermaid tails, and even some siren-related abilities!
Ice and Fire Travail
An expanded set of dragons, sea serpents, sirens and ogres.
Aquatic Torches Returns
Torches made from glowing squids that can be used underwater, now for Neoforge!
Complementary Nautilus
Adds a nautilus mob to the oceans.
Dangerous Waters
An ocean focused mod, filling Minecraft's oceans with new sea bases, as well as new sea creatures, biomes and much more.

Fish Fix
Amends hardcoded sea level assumptions to fix aquatic mob spawning.
Aquatic Origins
A origin mod addon, that adds aquatic like creatures to the game, mostly focused aorund sharks
World Alive: Ambient birds and wildlife
Particle based client side ambient birds and wildlife, based on cosy critters and creepy crawlies. Also contains other ambient things such as mirages in the desert, distant players on horseback, distant boats in the ocean.
Anterra Better Oceans
Better Oceans is a mod that greatly improves the oceans with structures, mobs, and storm events.
Magical Marines
A vanilla-styled 1.19.4+ mod that adds various fictional aquatic critters!
Deep Blue
Adds 10 majestic ocean creatures — whales, sharks, giant squid, and more — along with 15 new items including weapons, food, and crafting materials to bring the deep seas to life.
Sails and Airships
Build and sail custom airships and block-based ships. Salvage shipwrecks, fire cannons, tow mobs, and explore the oceans, skies, or lava seas.
Aquatic Craft - Overworld Edition
An expansive, fleshed-out aquatic dimension squeezed into the Overworld.
ocean bean : cute friend from ocean
mod that add a little friend ocean bean
More Tide Fish
Added some dangerous deep ocean fish to Tide⚡️
Olven's Deep End
Adds NEW void-ocean content and progression to the depths of The End. New MOB: Eldermen, reputation+quest system, Special void vishing, fishing crates, rifts, teleporters, materials, legendary weapons, new stalking monster + More!
Mako Mermaids Mod
Live your H2O dream! Play as Cleo, Emma, Rikki or Mako characters, use elemental powers, and create your own story!
Dweller Nautilus (Horror)
This mod adds a new monster to the ocean. Nautilus Dweller Cursed Drowned Cursed Nautilus Shell and signs
Aquatic Breeding
Adds a way for fish and squid to breed, manual and automatic! Fish eat Fish Flakes, Squid hunt for live prey! Breed Tropical Fish of all colors and patterns!
Sunken Skeletons
Adds the aquatic Sunken Skeleton from Minecraft Dungeons.
Cyra
A Minecraft mod that reveals the secrets of the ocean!
Brine
Adding much more to the dark depths of the oceans

Pufferz
Want more aquatic animals & plants to fill your aquariums? Well then look no further!
Kraken Mod
A mod that add a Kraken and a structure in the ocean. The geckolib library is needed.
Apex Waters
The Great White shark has arrived, you no longer are at the top of the food chain.
DivineRPG Ocean Spawn Fix
Fixes the long outstanding problem of Ocean mobs from DivineRPG spawning 1000's ALL OVER