Most of the island will be covered by clouds when you first start playing Claire's Chronicles. However, you'll have the chance to clear more space on the island as you play!
The next area you can clear will have a small padlock icon hovering over it. You can tap the lock to see the requirements to unlock that part of the island. Usually, you need to achieve a certain Island Rank, attainable by placing decorations on the island. nd earning Island Points. To unlock more decorations, simply play more solitaire levels.