Here is a picture of Utopia as it is described in Thomas More's piece on perfect societies. Notice how in designing his utopia, More had to consider the geopolitics of the country. Why an island? Is isolation necessary for a utopic society?
Below you will find links to lists of possible dystopian novels that you can read for your first IRC (independent reading contract) novel. Do a little research before you choose a book, but know that you have a pretty diverse library from which to pick.