The Greek isle of Mykonos — with its whitewashed town, evocative ruined windmills, touristy shops, and trendy cafes — is all about hedonism. A hit as a cruise stop, its beaches offer a variety of escapes, from sleepy and remote getaways to noisy party scenes. Along with Santorini, it’s the most touristy Greek-island stop. It’s easy to enjoy Mykonos town with no planning, no tour, and no guide. This is a stop that lends itself to unstructured free time — just lazing on the beach, wandering, and b