The islands follow a specific order, you cannot buy them randomly.
The first island you buy is always the one on the right of your main land.
The next ones go in a clockwise fashion until you have the last two islands to collect.

The Islands can be purchased with either Gold or Cash and have the following costs:

- Island 2 – 400k Gold / 25 Gems.
- Island 3 – 2 Million Gold / 50 Gems.
- Island 4 – 5 Million Gold / 100 Gems.
- Island 5 – 10 Million Gold / 150 Gems.
- Island 6 – 20 Million Gold / 200 Gems.
- Island 7 – 50 Million Gold / 250 Gems.
- Island 8 – 80 Million Gold / 350 Gems.
- Island 9 – 100 Million Gold / 450 Gems.
- Island 10 – 120 Million Gold / 550 Gems.