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Ocean World Dimension

Ocean World Dimension

MOD
Explore an endless ocean in the Deep Sea dimension!
by Altias
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686,512 downloads
0 likes
Updated Oct 14, 2026
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Adventure and RPG Dimensions World Gen
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A simple mod I made that adds a new Dimension - the Deep Ocean!

 

It's literally the vanilla deep sea biome but it goes on forever and the water goes up to block 200. I needed an ocean dimension for a modpack I'm working on but couldn't find one so I just made this myself. Might come back to add some more content to the dimension eventually, but for now it's exactly what it says on the tin - a deep, endless ocean.

 

HOW TO USE

1) Build a portal out of prismarine blocks. Just like a nether portal.

2) Craft a Sea Key using a piece of kelp and a prismarine shard as shown in the image.

How to craft the key

3) Use the Sea Key to light the portal and travel to the Deep Sea.

 

I will probably port to fabric when I have time because I also want to make a Fabric version of the modpack I made it for, but for now this is Forge only.

Feel free to use in modpacks and such, I bet it would go really well with any mods that add content to the ocean.

 

Like my mods? Consider donating to my Ko-fi!

 

NEOFORGE-oceanworld-2.0.0-1.21.1.jar
MC 1.21.1, NeoForge
Release 2025-11-28 Get
oceanworld-0.2-1.19.4.jar
MC 1.19.4, Forge
Release 2023-07-08 Get
oceanworld-0.2-1.20.1.jar
MC 1.20.1, Forge
Release 2023-07-08 Get
Ocean World (Forge)
MC 1.18.2, Forge
Release 2022-07-30 Get

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