What is the onboard currency and payment options on Norwegian Cruise Line ships?

On Norwegian Cruise Line ships, the onboard currency is the US Dollar. All purchases and services onboard are transacted in this currency. Norwegian Cruise Line offers various payment options to accommodate its guests. Major credit cards such as Visa, MasterCard, American Express, and Discover are accepted for making payments. Additionally, travelers' checks may also be used for settling onboard expenses. Norwegian Cruise Line strongly advises against bringing cash as the primary form of payment. Cash can be used for small purchases, but it is recommended to use credit cards for convenience and security. Debit cards can be used as well; however, Norwegian Cruise Line recommends checking with your bank beforehand to ensure smooth transaction processing while onboard.