Can someone with a tourist visa get married in the US?
The short answer is: yes, you can get married in the US while on a B-1/B-2 tourist visa or on a visa waiver program. In fact, you are even allowed to come to the US as a visitor with the sole intention of getting married.
What happens when you marry a non US citizen?
A U.S. citizen who wishes to marry a non-U.S. citizen or permanent resident can help their fiancé(e) obtain permanent residence in different ways. Once you marry, your spouse can apply for permanent residence and remain in the United States while we process the application.
Do I have to leave the country if I marry a US citizen?
After you marry a U.S. citizen, you can apply for a green card. While USCIS is processing your application, you can apply for “advance parole,” which gives you permission to travel. Then you will be able to leave and re-enter the United States without having to apply for a new visa.