The Dominican Republic is one of the most popular Caribbean destinations, and for good reason. Not only is it affordable, but US dollars are widely accepted and preferred to the local currency, the Dominican Peso (DOP). Taxis, tour vendors, and restaurants all accept USD, and you can find cigars and other goods at great prices. Credit cards are also a safe way to carry money, though you should be aware of the fees associated with cash advances.
When it comes to entertainment, the currency of Punta Cana is the Dominican peso. Most major hotels and resorts accept American Express, Diner's Club, Airline Rewards and other cards. You can also bring foreign currency to Punta Cana and exchange it there. However, if you decide to move away from the tourist area, it's best to use the local currency.
It's important to keep an eye on exchange rates as they can change due to a variety of political and economic factors. Additionally, if you're using traveler's checks, make sure to keep a record of their serial numbers in case they are stolen or lost. Overall, US dollars are widely accepted in Punta Cana and you can use them for most purchases. However, it's best to use the local currency if you're moving away from the tourist area.
Additionally, be aware of exchange rates and fees associated with cash advances.