Mods for Minecraft Java
Browse 210 free mods for Minecraft Java — popular picks include Evil Ocean, Finite Water Control, Ocean Floor - Patches.
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Evil Ocean
Evil Ocean is an world generation mod with custom generation
Finite Water Control
Makes water a finite resource outside of specified areas (oceans, rivers)
Ocean Floor - Patches
Adds patches of clay, gravel, and dirt to a sand ocean floor
Skeleton Ghost Ship
Adds a skeleton crewed ghost ship that spawns in ocean biomes
Villager Rafts
Adds stranded Villagers drifting across the oceans on wooden rafts.
Illager Battleship
Adds an illager battleship to Ocean Biomes
Temperature Bands
Modifies world generation to place biomes into repeating temperature bands. Compatible with most worldgen mods. Now with humidity based on proximity to river and/or ocean too!
deep oceans
deep oceans is a mod that adds very deep oceans
Ocean Mermaid Statue
Adds a large underwater Ocean Mermaid Statue with drowned and hidden treasure
Sunken Warrior Statue
Adds a Sunken Warrior Statue to the ocean floor
Ocean Worlds
Flood your worlds with a heightened sea level!
Geographicraft
Climate control allows you control climate zones, ocean sizes, biome frequencies, and continent sizes. Make Minecraft worlds into Yourcraft worlds!
Lost Ocean Whale
Adds a lost whale to all ocean biomes
Villager Viking Ship
Adds 3 new villager viking ships to warm ocean biomes
Dangerous Waters
An ocean focused mod, filling Minecraft's oceans with new sea bases, as well as new sea creatures, biomes and much more.
Aquatic Craft - Overworld Edition
An expansive, fleshed-out aquatic dimension squeezed into the Overworld.
Ocean Ores
Why not mine in the sea?
ArPhEx_DeepestDepths
An addon for the ArPhEx mod, adding in several aquatic features.
d3v_c's Terrain Overhaul
Fabric worldgen overhaul for 1.21.11: taller mountains, deeper terrain, rebalanced biome climate zones, more natural caves, and improved underwater shaping for realistic Overworld landscapes.
The Only Isle
The Only Isle creates a compact, natural island world surrounded by an endless deep ocean, featuring a rich variety of dense biomes for players who enjoy the “limited world” experience. It offers a feel reminiscent of the legacy console editions!
Ocean API
A library mod for adding ocean biomes, water colors, and entity buckets!
Frozen Ocean
Adds frozen ocean biome. Spawns next to cold biomes. Also has a config...
Seafarer[Fabric]
A port of the Seafarer[Forge] Version. This is a mod that aims to improve the Minecraft Oceans and its surroundings.
Ocean Floating Lifebelts
Adds 9 new floating lifebelts to ocean biomes
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
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.
Blood in the Water
A mod that adds new and possibly deadly aquatic mobs to Minecraft!
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.
oceans biomes
Create worlds made entirely of oceans with a simple configuration screen. Choose the ocean biome, tweak depth, and enable or disable islands and ocean structures.
Oh Can't You Sea
A mod that aims to improve the oceans of minecraft.

Water World - Atolls
Water World - Atolls is an immersive Minecraft mod (Fabric) that breathes life into ocean biomes by introducing procedurally generated Atoll structures, complete with custom villager AI behaviors, dynamic fishing, and unique blocks to ease water buildin
Legacy Boat Ruins
Boat Ruins Mod — three shipwreck variants spawn in ocean biomes with five loot tables. Cartographers sell maps to the nearest ruin.
The Great Ring of Oceanus
A Revamped Ocean Monument is the Gateway to a New Deep Ocean Dimension!
Slime Dimensions
Explore the Slime World through custom portals, discover slime biomes, Liquid Slime oceans, new blocks, mobs, resources, bosses, and progression toward Arcane Slime Tech.
Horn Of The Sea
The Horn of the Sea is a mystical artifact forged by combining the power of land and sea. Crafted using a Goat Horn and the rare Heart of the Sea, this enchanted horn can be used only in ocean biomes to summon 2 dolphins to assist your needs!
Azúl
An all-new dimension featuring a gigantic ocean surrounding it, and its magnificent fauna—or perhaps just a simple fauna mod?