The official currency of Iceland is the Króna (ISK).
The vast majority of establishments accept both debit and credit cards with no lower limit for acceptance of payment.
Please note that there might be a difference between the official currency exchange rate in Iceland and the exchange rate that credit card companies use for transactions.
If you prefer to withdraw cash, ATMs are widely available in Iceland and require a PIN. Exchange services are also available at Arion Banki at Keflavík International Airport. Currency exchange is additionally available at all banks around the country.
Banks in Iceland are generally open 09:00 – 16:00 Monday through Friday, except on public holidays.