The whole palace for a wanderer. The owner needs to be advanced in magic as handling this island is not an easy task. It's inhabited by several catowl families and they add to its arrogant character. (But so beautiful, isn't it?)
Your perfect safe space and a place for solitude. Go on round the globe vacation, see the world flying by from your bedroom window!
This concept captivated me for many years. To be able to overcome gravity, to see islands peacefully drifting away. How? I would imagine some mineral that is rich in several regions of the world, in the places where Earth's surface crusted after huge meteors fell billions years ago.