Minecraft Java 1.20 Mods
Browse 1,105 free mods for Minecraft Java 1.20 — popular picks include Oceano Shaders 3.0, Underwater Enchanting, Aqua Creepers!.
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Oceano Shaders 3.0
A Vibrant Tropical Shaderpack for Minecraft Java Edition
Underwater Enchanting
🌊 Allows the use of the enchantment table under water with maximum levels via bookshelves.
Aqua Creepers!
Another reason to stay away from the ocean...
Simple Diving Gear
A simple mod for adding gear to ease working underwater.
Thalassophobia
Explore the depths… but beware of terrifying sea monsters lurking beneath!
Oceanic Delight
A Farmer's Delight add-on expanding content by adding foods and plants to the Ocean
DragN’s Bettas & Aquatics!
Betta fish and decorative, customizable aquariums!
YUNG's Better Caves
Overhauled cave generation, underground lakes and rivers, lava oceans, and more!
Shiny Horses Forge - Enchantable Horse Armor
Enchant horse armor and gallop over the freezing ocean!
Waterlogged Redstone
It adds things like repeater, comparator, buttons and lever that can be placed underwater.

Rainbow Reef
Rainbow Reef is a mod that adds content to spruce up your in-game aquariums and coral reefs, including lots of new fish and sea creatures!
Myths of The Sea - Mythology Mobs!
Discover new mythological aquatic creatures, such as the Leviathan, the Kraken, the Hippocampus, and many more!
Deep Blue: A Bettas & Aquatics Addon!
Adds large ocean creatures to the DragN’s Bettas & Aquatics mod!
Ocean Lily Pad Village
Adds villages floating on giant lily pads to ocean biomes.
Illager War Trireme
Adds an Illager War Trireme to warm ocean biomes
Macaw's Abnormals
This mod is a multi-compatibility for the mods developed by the Abnormals Team. Whether it is Buzzier Bees, Environmental or Upgrade Aquatic.
Seaopolis: Submerged
An ocean based survival questing modpack.
Oceanic Realms
make your ocean more vibrant
Ocean World Dimension
Explore an endless ocean in the Deep Sea dimension!
Aquatic Creepers
New creepers that can appear in the oceans! Discover the new items and increase the difficulty of the ocean.
Dynamic Trees - Upgrade Aquatic
Compatibility Mod between Dynamic trees and Upgrade Aquatic
Sunken Spires
Futuristic ruins and remnants of an advanced prismarine civilization are scattered throughout the ocean.
Tax' Ocean Pillager
Ocean Pillager is a Minecraft Forge modification aims to add ships with pillagers.
Aquatic Additions
Aquatic Additions completes the vanilla turtle armor and adds an upgraded version to enhance underwater exploration
SCP-093, Red Sea Object
Don't you dare to touch the Red Disc, or you will be hunted by large, faceless creatures in an unknown world
Monsters&Girls: Secrets of Mermaids
It's a mod that adds various mermaids to your world, serving as spin-off to original Monsters&Girls mod.
L's Ocean Trader
adds a new villager, the Ocean Trader and his lighthouse

Greek Mythology Mash-up
Build a pantheon fit for the gods, trap the Minotaur in an elaborate maze, or set sail for adventures across the sea – the world is your square oyster! A port from Legacy Console Edition.
Wonderous Sea - An Endless Ocean Adventure
Welcome to Wonderous Sea! Wonderous Sea is the last installment and attempt at the mod "Endless Ocean". Wonderous Sea adds a plethora of new animals, and items to the game. Geared towards making survival oceans much more lively!
Elliemore's Deep waters
Mermaids dimension
Underwater Swim Fix (MC-220390)
Fixes the bug where if you hit an entity while swimming and holding the sprint hotkey, the server will think that you are not swimming anymore, while the client does. resulting in weird behavior.
Create: Stranded at Sea
An ocean survival, centered around create automation, adventure, and a fully integrated economy system.
Ocean World
Make the ocean lively, and more challenges for adventure.
Old fisherman swamp house
adds an old fisherman’s house to swamp biomes, with villagers and aquatic mobs beneath it
Animal Garden - Manatee
This mod adds the gentle giant the manatee(sea cow) into the game.
Unnamed Sea
Additional structures for the sea and beach biomes, focusing on an immersive expansion for the vanilla game.