(US Dollar), CUC-EUR (Euro), CUC-GBP (Great Britain Pound), CUC-JPY (Japan Yen), CUC-CAD (Canadian Dollar) and more. Check the following web pages to get up-to-date exchange rates for Cuban Peso Convertible CUC:
Changes of US$ to CUC will be
charged 10% commission; when
returning to your country, you
can change back your CUCs without
any commission. COMMISSION IS
NOT APPLIED if CUC are bought
using GB Pounds, Canadian Dollars,
European EURO or any other currency but USD; eventually,
it will be cheaper, for tourists,
to use GBP, EUR or CAD instead
of the USD.
It is possible to change money in any bank in major towns like Habana, Santiago, Cienfuegos, Trinidad, Camaguey, but also in tourist destinations like Varadero, Cayo Largo and Cayo Coco. Currency exchange is authorized also at major hotel chains throughout the country, so it's possible to change money (exchange rates an commissions may vary) almost everywhere.
Credit card - if not issued by a US Bank - are accepted everywhere, but remember, only by state-run businesses like hotels, shops, restaurants and travel agencies. You may be able to use your ATM card - if authorized by your bank - as ATM circuit is spreading through the country, but check with your bank if the card is accepted or not by Cuban Bank system.