
DatapacksJava
Terralith Islands Dimension
Terralith Islands worldgen is an addon for Terralith, which add a new dimension made of Terralith's floating islands.
⬇ Download on Modrinth






Terralith Islands worldgen is an addon for Terralith, which add a dimension with Terralith floating islands. Travel between dimension by flying in the sky (require elytra, or any flying engine).
If you prefer to directly modify the overworld, instead of adding a dimension, look at Terralith Islands.
Installation
- Download this datapack
- Download the official Terralith.
- Create a new world and drag the datapacks upon world’s creation.
- Put the Terralith Islands on top (above Terralith).
- Make sure the spawn is correct, or replace it with /setworldspawn and /spawnpoint .
Islands intensities (Patreon feature)
You can chose islands intensity between 5 values: tiny, small, medium, large and massive. A different datapack can be downloaded for each intensity.
Patreon Supporters- 1.21.11 (28/01/2026): Azerxim, Setsu-P, varinyc, nfnpgllxhn
- 1.21.9 v1 (10/10/2025): CYKLOPPS, Azerxim, varinyc, Setsu-P, Wani P, Lionel Felke
Becoming a Gold Patreon also means:
- Getting access to every Patreon versions of every projects.
- Getting your name listed in each project and on this page (see above).
- Supporting long-term development, updates, and new features 💛
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.11
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — see the MC Java Mods guides for the full walkthrough.
Verified by MCModsHub
- Downloads as TerralithIslandsDimension_FREE_1.21.11.zip
- Download size: 121 KB
- Download link checked 5 Sept 2026 — working
These come from our own check of the pack file, not from the source page.
