Turks & Caicos uses the U.S. Dollar. The ATMs dispense U.S. dollars, ATMs can b e found at the bank branches, at IGA Supermarket, at Port's of Call Shopping Center, and Ocean Club Plaza. Credits cards are accepted almost everywhere, but some shops have a $25 minimum to charge.   Most restaurants take credit cards, a few (such as Da Conch Shack) are cash only.