U.S. dollars and traveler's checks are accepted in most ports. Many Purser's Desks will cash or exchange traveler's checks, large U.S. bills, Canadian dollars, British pounds, and German marks. The Purser's Desk also provides currency-exchange information for each port. Some cruise lines will accept personal checks for purchases made aboard the ship and some won't However, the Purser's Desk or casino can usually cash checks for as much as several hundred dollars. Also, many cruise lines feature onboard credit systems, which allow you to sign for all of your onboard purchases and shore excursions.
Passengers can sign up for the cards after boarding the ship by presenting any major credit card.
On the final morning of your cruise an itemized statement will be delivered to your cabin. A limited number of safe-deposit boxes are available at most Purser's Desks, free of charge. In addition, some cruise lines offer in-room safes. Rules vary by cruise line. Shore excursions usually include transportation, meals, refreshments, guides, and entrance fees as indicated.