American Express is widely accepted, but you'll find Visa and Mastercard are more popular.
Cruise ships accept all the major credit cards, so you won't have a problem.
Travel Agent/Cruise Specialist w/15 yrs exp and 50 Cruises on 12 different cruise lines in many parts of the world! VIETNAM VETERAN OWNED & OPERATED. Certified Accessible Travel Advocate. Specializing in unsurpassed personal service to insure you have a hassle-free vacation!