Affiliate Disclosure: This article contains affiliate links. If you make a purchase through one of these links, I may earn a commission at no additional cost to you. I only recommend products and services I genuinely use, trust, or believe may be helpful to travelers. One of the questions that comes up ALL the time when I’m planning a Greek island-hopping trip is whether it makes more sense to fly or take the ferry between destinations. And, annoyingly, my answer is...it depe