There are two currencies used in Aruba, the local Aruban Florin and US dollars, with the latter easily accepted in all tourist areas.If you are looking to purchase local currency upon arrival, head to CMB Bank which offers a currency exchange service. It is located in the public area on the ground floor, and is open from 8:00 am to 4:00 pm Monday to Thursday, from 8:00 am to 5:00 pm on Fridays, and from 10:00 am to 6:00 pm on Saturdays. Passengers whose flights to Oranjestad land outside these hours can use the ATM machines to withdraw money.