Looks like another cool map you made! I really like the organic in the middle, but as others already said, you've to add some detail on the middle islands terraforming. Currently you can see that it is made with voxelsniper and worldedit. If you change this a bit by adding some terraforming on top of it, it will look way better.
Also, maybe you could try to add the colours of the spawn islands a bit different, so it doesn't look quite randomly placed as it is right now.
Anyway, keep up the great work! You're doing very well and hopefully we can see more of your work in the future!
Greetings,
Huracan