Looking for a futuristic utopia type book to read?

Not a creepy type futuristic, with aliens and stuff. Im thinking more like a beautiful, sunny futuristic place, but the people are still normal.. with flying ships and stuff. And I dont want it to be ABOUT the setting, like all the faults of the future, I just want it to take place in a setting such as this, with cool characters... And a storyline about the characters, not the future. Does this kind of book exist??? Help me outtt! Thanks!