The US dollar is the local currency in Puerto Rico

The US dollar is the official currency of Puerto Rico because it is a US territory. This means you'll be able to spend US money throughout the island, making travel to and from the US a breeze. Tourists from the United States will be able to spend money easily since they will have access to American banks and ATMs.

While many establishments accept credit cards, there are still areas of the island where cash is king, so keep enough cash with you at all times. If you run out of money, go to an ATM. They may be found all around the island and accept most American credit cards. This is definitely one of the Things to Know Before Traveling to Puerto Rico that will make your trip worthy.