Hawaii Travel Map by National Geographic
Travel Map of Hawaii including the Big Island, Kauai, Niihau, Oahu, Molokai, Maui, Lanai and Kahoolawe. Detail of each island all at the same scale with the Big Island on one side and the rest on the other side in insets. Map features include: roads, 200 meter contour intervals, beaches, trails, points of interest, campsites, ferry routes and anchorages.
This is a nice map of Hawaii that's detailed yet easy to read and it is printed on waterproof paper so take it along with you!