Can you take us dollars into Mexico?

Yes, you can take U.S. dollars into Mexico and exchange them for Mexican pesos at banks, currency exchange kiosks (known as "casas de cambio") or ATMs. U.S. dollars are widely accepted for payments at tourist areas, but you may receive change in Mexican pesos. It's generally preferable to make transactions in Mexican pesos since some establishments might not accept foreign currencies or offer unfavorable exchange rates. Using ATMs or debit cards with no foreign transaction fees can be a cost-effective way to obtain the local currency as it offers competitive exchange rates compared to currency exchange services. Just check with your bank about any associated fees to make sure you understand the cost of exchanging money overseas.