Ocean Only Data pack for Minecraft 1.21.11

Name: Ocean Only
Availability: InStock
Author: dannytaylor

Only oceans will be generated in the overworld.

Ocean Only

This datapack replaces overworld generation to only generate vanilla ocean biomes.

If you use this datapack for content, please credit JudgeAlexander for the idea.

Q: Can I use this datapack in my content?
A: Yes, however please credit JudgeAlexander for the idea, and link back to the datapack's modrinth page.

# Licensed under LGPL-3.0-or-later.

This datapack is not affiliated with/endorsed by Mojang Studios or Microsoft. Minecraft is a trademark of Microsoft Corporation.

Install Millida Launcher
The launcher is free: download it at millida.net/launcher and sign in with any nickname.
Click “Install” on this page
The launcher opens and installs the data pack for Minecraft 1.21.11 automatically.
Launch the game
A profile with it appears in the launcher: click “Play”.

Download the archive
Pick the file OceanOnly-v2.5.0.zip (16 KB) for your game version.
New world: “Data Packs”
When creating a world, click “Data Packs”, drag the archive into the window, then move it to “Selected”.
Existing world: the datapacks folder
Put the archive into saves/<world>/datapacks and type /reload in game.

Archive goes into the server world’s datapacks
The world/datapacks folder on the server; players do not need to install anything.
Reload the data
Type /reload in the server console or restart the server.
Use the “To server” button
On Millida Hosting, the button at the top of the page uploads the file to your server and restarts it for you.

Minecraft	Loader	File	Date	Actions
1.21.11	Data pack	1.21.1115.5 KB	Jan 23, 2026

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