About IslandGen
From ModrinthThis mod randomly generates Islands throughout the world. Not your simple prebuild survival island.
This mod randomly generates Islands throughout the world. Not your simple prebuild survival island.
Features:
Random Generation Starter hut Loot Barrels spawning in the ocean (making it seem like loot from wrecked ships) Hidden rooms with loot on islands (Configurable) There is no Stronghold, but there is a portal. You just need to find it. Who knows, it might just be under your nose. :)
More will be added in future updates!
Highlights
From source dataGame versions
Built for Minecraft 1.21.1.
Loaders
Runs on NeoForge.
Footprint
Rated a light load on a server.
IslandGen on Nxeon
From our catalogue- One-click install
- Supported on Nxeon Minecraft servers. We download it from Modrinth, place it, and restart the server.
- Server side
- Required on the server
- Server type needed
- NeoForge
- Server load
- light
- Smallest plan we suggest
- Minecraft — 2 GB (2 GB RAM). This follows our own load rating above, not a benchmark.
- Latest build
- 1.0.3, released 2026-07-21
Game versions by loader
| Loader | Game versions | Newest |
|---|---|---|
| NeoForge | 1.21.1 | 1.21.1 |
From 3 recorded builds of IslandGen.
Recent builds
| Build | Released | Game versions | Loaders |
|---|---|---|---|
| 1.0.3 | 2026-07-21 | 1.21.1 | NeoForge |
| 1.0.2 | 2026-07-06 | 1.21.1 | NeoForge |
| 1.0.1 | 2026-06-18 | 1.21.1 | NeoForge |
Run IslandGen on a Minecraft server
Pick a server or deploy a new one above; it is installed in one click.
What kind of mod it is
From the catalogMaps & scenarios
Custom maps, arenas and scenarios to play on.
Runs on your server
From source side supportModrinth lists IslandGen as required on the server. Check its Modrinth page to see whether players need it too.
Compatibility
- Game
- Minecraft
- Loaders
- NeoForge
- Runs on
- Serverrequired on the server
- Game versions
- 1.21.1
Verified at the source
- ✓ModrinthOfficial listing, checked 2026-10-03Open ↗
- ✓AuthorMainsteam115, as published on Modrinth
- ✓LicenseLicenseRef-All-Rights-ReservedFree
