Passports/Visas

Yes, passports are required.  For more information please visit www.travel.state.gov.

DUBAI:  US citizens with a US passport that is valid for more than six months do not need to obtain a visa prior to entry to the UAE if the duration of their visit will be less than one month. This includes US citizens with visas or entry stamps from other countries in their passports.
https://www.uae-embassy.org/services-resources/visas-passports-travel-uae