U.S. Citizens may use one of the following for entry into Mexico:

• Valid Passport: This is the most recommended document - secure and convenient.
• Certified Birth Certificate: (hospital certificate is not acceptable). A birth certificate must include your given name and surname, date and place of birth, date the birth record was filed, and seal or other certification of the official custodian of such records (usually the Department of Health Services in the city where you were born).

Brides will have an easier time if tickets are issued in their maiden name to match their documents. For U.S. airport security purposes the name on the driver's license and the name on the ticket must match.
 Women traveling with tickets in their married name whose driver's license (or state issued ID) is in their married name, but who are using a birth certificate as proof of citizenship will be fine as long as the first name and date of birth on their driver's license and their birth certificate match.

Natural U.S. Citizens born outside the United States may use a Certificate of Citizenship, a Report of Birth Abroad, a Consular Report of Birth (Form FS-240) or Certification of Birth (Form DS-1350 or FS-545).

U.S. Naturalization: If you claim citizenship through naturalization you may use your Certificate of Naturalization or Certificate of Citizenship or laminated Naturalization card. Note: Some airlines/charter companies may still accept the Notarized Affidavit of Citizenship or possibly a Voters Registration Card.

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Required Clothing
This varies from area to area. Natural fibers are best in the heat, but have a sweater on hand as the nights are generally cooler. A sun hat will help to avoid dehydration. In the mountains, heavier clothing will be required.


Things to do

Day of the Dead
Mexico's Day of the Dead is actually a two-day festival. On 1 November, angelitos (dead children) are remembered, and the next day, dead adults. Celebrations range from sombre and quiet affairs with candlelit visits to cemeteries, to raucous remembrances.

Beaches
On the Baja Peninsula, head for the Cabos San Lucas and San José del Cabo. On the Caribbean side, make for Cozumel, an island with nothing but beaches in every direction - Playa Bonita is one of the best.

Diving
The reefs of Los Manchones, Cuevones, Chital or La Bandera - are all prized diving spots worth a closer look, known for their extraordinary marine life and unusual cave structures.

Beach Parties
Those with a ticket to one of Cancún's 15,000-capacity beach parties will want to sleep all day as they will need all the energy they can get. Take a break for sunrise.

Watersports
Mexican resorts offer a full range of watersports, including jet-skiing, windsurfing and sea-kayaking. Surfing can be enjoyed on the wild Pacific breakers and parasailing is another exciting sport.

Spas
The ancients knew what was good for them and made full use of the country's countless hot springs. Follow in the footsteps of the Aztecs with a relaxing spa break.

Give something back
Mexico is a poor country, enjoyed by predominantly rich tourists. Buy souvenirs direct from local artisans, keeping their craft alive. Politely ask permission before taking photos of locals, and offer to send a copy