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Aero Islands [for Create Aeronautics]

by nuclearobelisk

Aero Islands replaces the default world generation with floating islands over an open void, and players reach them with aerial gear.

FabricNeoForgeClient and serverGNU General Public License v3.0 or laterOpen source1.21.1 – 1.21.11

What it does

The mod swaps the default terrain for sky islands that float above a void, keeping vanilla biomes and structures on them except ocean structures. Several new block and item types appear on these islands, including aerolite stone that generates wherever aerolite twigs are mined, and Selenite gemstone blocks that spawn in cold, barren Calcite Craters biomes.

Gilded Aerolite appears in hot biomes with golden flecks that drop gold when mined. Aerolite Twigs can be mined from floating items and aerolite veins and grant a brief burst of levitation. The Aerolite Charm, crafted from quartz, an Ender Pearl and aerolite twigs, teleports the user straight upward through solid blocks. Quickslate, a decorative block made from aerolite twigs, helps players run faster and jump higher. Selenite Lamps dampen monster spawns within a four-chunk radius when charged with Selenite Shards.

The mod requires Lithostitched. On NeoForge builds dated 1.0.9 and earlier, Sinytra Connector is needed for Fabric-style loading, and later NeoForge builds are native and do not use Connector. Aero Islands is open source under the GNU General Public License v3.0 or later, and the source code, issue tracker and wiki are public.

Key features

  1. Sky island world generation

    Floating islands replace the default terrain over a void, with vanilla biomes and structures placed on them.

  2. Aerolite resources

    Aerolite stone, Gilded Aerolite and aerolite twigs spawn in the world and can be mined for crafting material.

  3. Aerolite Charm

    A crafted tool that teleports the user straight upward through solid blocks.

  4. Selenite and Quickslate blocks

    Selenite gemstones and Selenite Lamps dampen monster spawns, while Quickslate speeds movement when placed as decoration.

Compatibility

Latest build for each game version and loader.

1.21.x11 of 11 versions with builds
1.21.111.0.91.0.9
1.21.101.0.91.0.9
1.21.91.0.91.0.9
1.21.81.0.91.0.9
1.21.71.0.91.0.9
1.21.61.0.91.0.9
1.21.51.0.91.0.9
1.21.41.0.91.0.9
1.21.31.0.91.0.9
1.21.21.0.91.0.9
1.21.11.0.91.1.1
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Required 1

LithostitchedLibrary mod with new configurability and compatibility enhancements for worldgen
Required

How it compares

Full comparison

Grappling Hook Mod: Skybound is open source under the GNU General Public License v3.0 only and runs on Fabric and NeoForge for 1.21.1, with the client or server optional. Awakened Islands is open source under the MIT License, NeoForge only for 1.21.1, and needs a server while the client may skip it. Aero Islands is licensed under the GNU General Public License v3.0 or later and is published for 1.21.1 – 1.21.11.

ModLoadersGame versionsEnvironmentUpdated
Aero Islands [for Create Aeronautics]Fabric and NeoForge1.21.1 – 1.21.11Client and server2026-08-09
Grappling Hook Mod: SkyboundFabric and NeoForge1.21.1Client or server, optional2026-05-03
Awakened IslandsNeoForge1.21.1Server required, client optional2026-04-26

Questions

Does Aero Islands need Lithostitched?

Yes. Lithostitched is a required dependency and must be installed alongside Aero Islands.

Which loader should a player choose for Aero Islands?

Fabric and NeoForge both have files. On NeoForge builds 1.0.9 and earlier, Sinytra Connector is required.

Does Aero Islands work on a server?

Yes, but the environment is client and server, so the server and every player need the mod installed.

In the catalog

Aero Islands [for Create Aeronautics] is one of 8,515 World generation mods on ModsFinder, and one of 4,027 World generation mods for Fabric. 19,862 mods support Minecraft 1.21.11.

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What the author says

This mod replaces the default Minecraft world generation with gorgeous floating islands over the void! Aeroscapes World Generation > The floating islands, with all vanilla biomes and structures (except oceans and the structures that spawn there).
nuclearobelisk, on the Modrinth page

Official listing

Owner
nuclearobelisk
Published
2026-05-14
Updated on Modrinth
2026-08-09
Facts verified
2026-10-15

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