Here are NCL's Official Guidelines for NCL America brand cruises (Pride of Aloha):
All passengers 16 years of age and older must provide PHOTO IDENTIFICATION for boarding NCL America vessels that travel and stay within the United States/Hawaii Islands, where the ship does NOT travel to a foreign, non-U.S. port of call.
PHOTO IDENTIFICATION consists of one of the following:
Government Issued Photo ID
Valid Driverís License that Includes a Photograph
Company policy dictates that any passenger traveling without proper photo identification as described will not be allowed to board the vessel and no refund will be issued.
Foreign, Non-U.S. Ports of Call: On cruises where an NCL America vessel calls at any foreign, non-U.S. port of call, please refer to NCLís Nationality, Documentation and Visa Information for specific, regional sailing requirements.