Minecraft Java 1.20 Mods
Browse 57 free mods for Minecraft Java 1.20 — popular picks include DragN’s Bettas & Aquatics!, YUNG's Better Caves, Fish Tanks.
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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!
Fish Tanks
Adds fish tanks for your favorite aquatic friends!
Wavify
Adds ambient waves to beaches,oceans and rivers!
fapdos' Aquatic Additions
Adds many new fish creatures and underwater decorations to the game
Sea Creeps
Sea Creeps have swam into Modrinth! The ocean just got explosive...
Dorsal Moon
An add-on for Enhanced Celestials, adding a Moon that aids in ocean exploration for the night.
Water Caustics
Makes oceans more immersive by giving blocks animated textures to mimic water caustics from vibrant visuals, only underwater, and without the use of shaders.
Panorama ocean and village
Panorama ocean and village by Beluimem
Ethereal Sea Sky Overlay
A mesmerizing sky overlay depicting a cloudy sky above the sea
Atlantis: Fire Beneath Water
Classic underwater survival challenge map, now upgraded to Datapack | 经典水下生存地图数据包重制版《亚特兰蒂斯:水寒火暖》
Chromakey Blocks
A resource pack for adding chromakey blocks in Minecraft! This makes it easy to take out the background from screenshots or videos like a greenscreen. This changes glowstone to green, sea lanterns to blue, and shroomlights to red.
New icons by Matik
A resource pack that changes the appearance of hearts, experience bars, hunger bar and underwater breathing bar.
Deep Ocean Panorama
A custom main-menu panorama depicting the deep ocean
Chromakey
Changes Glowstone block texture to full green, Sea Lantern to blue and Shroomlight to red
PirateDive
Ripoff sea of thieves frfr
Nauticlysm
Adding new nautilus mobs with different variants for ocean biomes!

Pufferz
Want more aquatic animals & plants to fill your aquariums? Well then look no further!
UnderDasea
A mod that aims to add life to the oceans.
Os' Creepto Currency
This pack changes non-waterlogged (dead) sea pickles to stacks of Creepto coins of your choice of color(s). Versions: One of 8 colors, all colors, gems only, or metals only.
Gods Of Olympus
Gods of the sky and sea
Chubby Blåhaj | not only anymore!
Chubby version of toy shark, Blåhaj. and other plushy.
Loggerhead Luminancies
Adds a sea lantern variant crafted using scutes that can float in water.
Colorful Sea Lanterns
Adds craft-able sea lanterns of all dye colors.
Improved Rails (TURNABLE POWERED RAILS)
Underwater-version Rails! Rails that's always activated!
Pride Blåhaj Backport
Backports the Blahåj Replushed mod's newer pride sharks to 1.20.1.
Aquatic Beds
Beds in an aquatic style!
Chilled
A Medium Mod improving the Deep cold oceans.
Fruit of Thieves
A mod that adds fruit from sea of thieves
AquaWindow
AquaWindow — Replaces the wooden floor of all 9 vanilla boats with crystal-clear glass. Perfect for underwater safari and ocean exploration!

SharkoCraft
A Vanilla/oCd-ish combo resource pack.
Cool-Sea Panorama/Wallpaper
Changes the Panorama to a Cool-Sea image by Calvin Kinateder.
Ocean Panorama
A custom main-menu panorama depicting the ocean
Craftable Vanilla Lights
A simple datapack that adds 4 new crafting recipes to the game : Ochre Froglight, Pearlescent Froglight, Verdant Froglight and (a better crafting recipe for) Sea Lantern.
Repurposed Structures Better Ocean Monuments Compat Datapack Resource Pack (1.21.1, 1.20.1)
Repurposed Structures Better Ocean Monuments Compat Datapack Resource Pack adds visual compatibility for Repurposed Structures and YUNG's Better Ocean Monuments. It changes the alternative monuments to match the building style of YUNG's structures. Features: Updates the layout of alternative monuments to match the new design. Changes the exterior and interior for the desert, jungle, icy, […]
Stunning Statues Mod (1.21.1, 1.20.1) – Historic Decorations
Stunning Statues Mod adds 17 elegant stone and moss-covered statues for decoration, with 5 uncommon ones found in buried treasure, shipwreck treasure, dungeons, and underwater ruins. Rare statues have a yellow tag, glow slightly, and blink eyes when placed, with an advancement when all 5 are collected. Each statue has a moss variant that can […]