This Plugin is NOT by me, its by @GiantQuartz, I am just keeping it updated. SkyBlock for PocketMine-MP servers.
You are free to contribute to this project, any kind of help is accepted.
You can download it here.
You can use it as you want, but this plugin is definitely a bad idea if you want do a public server. This plugin has been think to work for 3 or 4 players, and it may fail if you create a lot of islands.