yes but you need one to get back into the US
As a US citizen, you can travel to certain countries without a passport, such as Canada, Mexico, and some Caribbean islands, with just a government-issued photo ID and proof of citizenship. However, it is always recommended to check the specific entry requirements of the destination country before traveling.
mexico
Which Caribbean islands? Mexico's Yucatan peninsula touches the Caribbean sea. The closest "Caribbean island" would be Cozumel, some 16 km (10 miles) off Mexico's shore.
No, a child cannot travel to Mexico without a passport.
No, you cannot fly from Tijuana to Mexico without a passport.
No, Haiti is one of the Caribbean islands
No, you cannot fly within Mexico in 2016 without a passport.
No, you cannot fly within Mexico in 2017 without a passport.
No, a Mexican citizen cannot travel to Mexico without a passport.
No, you cannot return from Mexico to the United States without a passport in 2016.
No, you cannot take your baby to Mexico without a passport. All travelers, including infants, need a valid passport to enter Mexico.
No, a baby cannot travel to Mexico without a passport. All travelers, regardless of age, are required to have a valid passport when entering Mexico.