Guernsey, for all its past history as an occupied Island during WW2 and it’s more recent one as a financial hub, is also a place for writers. It’s also part of a Bailiwick so it does include the islands of Alderney, Herm, Jethou, Brecqhou and Sark.
A quick Google search via Wiki comes up with this, an interest list. We’ve all heard of Victor Hugo, scribbling away in his Hauteville Garret with views over Castle Cornet. I never met him