Carnival World Mastercard: A popular pick for cruise enthusiasts looking for promo financing

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Cruising is a popular travel method because people visit multiple destinations in one trip. Today, cruise ships tend to offer just as much entertainment on board as you'll find at each port.

One of the ways to earn and save on your next cruise is with a rewards credit card — and if you prefer sailing with Carnival, you may want to consider the Carnival® World Mastercard®. The card includes a welcome bonus, promotional financing on Carnival cruises, and discounts on Carnival shore excursions.

Purchases with Carnival earn double points with your card. But you can also earn the 2x rate with Carnival's partner brands under the World's Leading Cruise Lines. These brands currently include AIDA, Costa, Cunard, Holland America Line, Princess Cruises, P&O Cruises Australia, P&O Cruises UK, Seabourn, and Fathom.

When you're not spending money on cruises, you'll still earn 1x points on every dollar you spend. Whether you're buying groceries, gas, or anything else, you'll receive an unlimited 1x points on your purchase.

Like other credit cards, some types of transactions do not count toward rewards earnings. These include balance transfers and cash advances , card fees, lottery tickets, interest charges, unauthorized purchases, and more.

Related: Find out more about the best credit cards for groceries and best credit cards for gas

There are a few redemption options for the points you earn with a Carnival World Mastercard, largely centered around future cruise travel. You can use points for statement credits toward Carnival purchases, onboard experiences, gift cards, merchandise, airline and hotel travel, and more.