Most banks are open Monday to Friday from 08.30 to 14.00 to 14.30 hours. Only a few branches open on Saturday morning. Throughout the island there are ATMs available 24 hours, most of which (Servired, 4B, etc ...) give international service.
In any bank is possible to apply the exchange rate, although there are also exchange offices in certain tourist areas, airports, stations, etc., And most tourist establishments offering this service.
Most hotels, restaurants and shops in Tenerife accept major credit cards (American Express, Visa, Mastercard, 4B ...), indicated with signs at the entrance of the establishment.
It should be noted that in some establishments (restaurants, shops ...) is not supported with cash payment of 100, 200 and 500 Euros.