Answer
Notify your bank of U.S. travel, carry a backup card, and expect chip-and-PIN or tap variations by merchant. Keep some U.S. cash for small Boardwalk vendors. Dynamic currency conversion at terminals is often a poor deal—choose to pay in USD when offered.
Sources: Town of Ocean City · Visit Ocean City
Editorial visitor guidance for Ocean City, Maryland. Confirm current Town of Ocean City, Maryland DNR, NPS Assateague, and NWS rules when regulations or safety apply.
