The Barbados dollar is pegged to the U.S. dollar at the rate of Bds$1.98 to $1. U.S. paper currency, major credit cards, and traveler's checks are all accepted island-wide. Be sure you know which currency is being quoted when making a purchase. Major credit cards are also readily accepted throughout Barbados.
Barbados National Bank has a branch at Grantley Adams International Airport that's open every day from 8 AM until the last plane lands or departs. ATMs are available 24 hours a day at bank branches, transportation centers, shopping centers, gas stations, and other convenient spots throughout the island.