Even though Varadero is only a small town, its airport is the second busiest in the country thanks to the constant flow of tourists traveling to Varadero, mostly from Canada and Europe. The airport is not very big, but it’s filled with small souvenir and duty-free shops. Cuban currency cannot be exchanged outside of Cuba unless you plan on going back. You will need to pay a 25 CUC departure tax when you leave (to be paid in cash). Security isn’t very tight when you leave because several people have reported leaving with bottles of liquid.