Captain Ed (Character): drives his Winnebago in various places in nearly every one of Deb’s books. Try to spot him!  His latest appearance is at the docks in WHAT’S BECOME OF HER.
Found in: Essential Maps for the Lost, Honey Baby Sweetheart, Stay, The Fortunes of Indigo Skye, The Last Forever, The Nature of Jade, The Secret Life of Prince Charming, The Secrets She Keeps, The Six Rules of Maybe, The Story of Us, What's Become of Her, Wild Roses

Lake Union (Locale): Sebastian lives on the houseboats here in JADE; Clara parks with Christian here in STAY; Dani and her husband Ian live on the houseboats in HE'S GONE. In ESSENTIAL MAPS FOR THE LOST, Mads discovers the body of Billy Youngwolf Floyd’s mother, Anna, here. Billy lives here with his grandmother on the houseboat docks, too, in ESSENTIAL MAPS FOR THE LOST.
Found in: Essential Maps for the Lost, He's Gone, Stay, The Nature of Jade

Seattle (Location):
Found in: Essential Maps for the Lost, He's Gone, Stay, The Nature of Jade, The Secret Life of Prince Charming