No advance approval needed. Show up with a valid passport.

No advance approval needed. Show up with a valid passport. Permitted stay is 180 days.

United States passport holders can typically stay in Mexico for 180 days under the standard entry rules. Longer stays require a separate long-term visa.

Visitors must obtain a Multiple Immigration Form. There is no charge for a tourist FMM for stays of less than 7 days when entering by land. For visitors staying more than 7 days and entering by land, it will cost 687 Mexican pesos or around US$40. The FMM is required for all visitors entering via air, regardless of length of stay, and the cost is included in the traveler's airfare and remitted by the airline. Passport card or enhanced drivers license is valid for land and sea travel. Exit stamp required if one entered using paper FMM (All land POEs) A person is in Mexico illegally if they did not get a FMM at the border (even if using the 7 day FMM fee exemption via land) or eFMM Mandatory car disinfection at Mexico's southern borders (Guatemala and Belize)

For short business visits like meetings or conferences, United States citizens typically enter Mexico under the same rules as tourists. For paid work, long assignments, or activities beyond what a tourist visa allows, a dedicated business or work visa is required. Confirm specifics with the Mexico embassy or consulate.