COURTESY BARRY AND DENISE LUCKENBACH Barry and Denise Luckenbach of Honolulu found this place on their summer adventure on Mexico's Yucatan Peninsula. The Maui Wowi Hawaiian Coffee & Smoothies shop was a refreshing break after roaming around the steamy Mayan ruins of Tulum, just down the coast south of Cancun. E-mail "Signs of Hawaiian Life" photos to email@example.com or mail to Signs of Hawaiian Life, 500 Ala Moana Blvd., Suite 7-210, Honolulu, HI 96813. Please include the full names of those in the photo, when and where it was taken and the name of the photographer. We apologize, but mailed photos cannot be returned.