From indulging in Italy’s world-renowned cuisine to kicking back on the ancient coasts of Croatia’s Dalmatian Islands—Mediterranean destinations come to life in a whole new way when you explore them by sea.Of course, no two are the same, so we’ve created this handy guide to help you find the Mediterranean destination that suits your style this summer.

The following guest post by Susan Colby, world traveler and the editor of Harbors Magazine, was originally published on her Granny Travels blog. The blog entry appeared as part of an eight-post series following Susan’s week-long...