At Banco Popular you can get 10,000 pesos out of the ATM per transaction, you can do this 2 times a day.
For every transaction the bank will charge you 195 pesos.
At Banco Progreso it is cheaper.
There you can withdraw 30,000 pesos per day!
For the transaction, you pay 150 pesos.
Your debit card account must have sufficient credit of course.
When you come to Sosúa and bring cash, you can exchange it for example with Mapello.
He is very reliable and always gives a good exchange rate for your dollars or euros. (Tel: 809-491-3024).
It's also possible to exchange your money (maximum per day) 1000 euros or dollars at Banco Progreso.
Remember to bring your passport.
There you will get the best exchange rate.
Banco Progreso