30-Year Déjà Vu: Becca Mann To Attempt Maui Nui Courtesy of WOWSA, Maui - Molokai - Lanai, Hawaii. Becca Mann has always been precocious and adventurous. At the age of 10, Mann swam solo across the 14.1 km Maui Channel from the island of Lanai to the island of Maui in the state of Hawaii. At the age of 16, Mann published her first novel, The Stolen Dragon