LazoIslands
LazoIslands is a world generation datapack for Minecraft 1.21.1 that transforms the Overworld into a world of floating islands above an endless ocean.
Instead of normal terrain, the world is made of large sky islands with oceans below, creating a unique survival experience focused on exploration, bridges, airships, vertical building, and island-to-island travel.
Features
- Floating islands world generation
- Endless ocean below the islands
- Custom Overworld terrain
- Vanilla-style biomes
- Caves and natural terrain details
- Stalactite-like formations under islands
- Shipwreck structures in the ocean
- Works without mods
- Great for SMP servers, survival worlds, airships, and Create-style gameplay
Recommended Use
This datapack is best used when creating a new world. If you add it to an existing world, the new terrain generation will only appear in newly generated chunks.
Compatibility
Made for Minecraft Java Edition 1.21.1.
Credits
Based on original worldgen work by Klinbee. Modified and adapted as LazoIslands.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- 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.
- Downloads as LazoIslands-1.21.1.zip
- Download size: 194 KB
- Download link checked 24 Aug 2026 — working
These come from our own check of the pack file, not from the source page.