Requirements to bring your boat to Mexico:
If you want to bring into the country a touring motor boat or sailboat more than four and a half meters long, first of all you must comply with the following requirements: If you are going to enter by sea: (1) Upon your arrival at the first port of entry in Mexico, go to the immigration office and abtain a Tourist Entry Form for each passenger aboard, if you had not previously obtained this form from a Consulate Office, Mexican Government Tourism Office or Embassy. (2) Proceed to customs and obtain a Temporary Import Permit, presenting the following information: (a) Vessel Ownership Title; (b) Document verifying that the vessel's owner resides in a foreign country (Tourist Entry Form); (c) International credit card, bond or deposit.
If you want to bring into the country a touring motor boat or a sailboat less than four and a half meters long, you must comply with the procedure for temporary import, meeting the following requirements: (a) The vessel is the property of a person residing in a foreign country. (b) Present identification verifying your nationality and current Tourist Entry Form.
Your motor boat or sailboat can remain in the country for a period authorized in the Tourist Entry form.
Stow all ship’s documents in a water-tight safe or secure place onboard. Make 12 copies of everything, but don’t laminate anything. Carry documents ashore in a zip plastic bag.
Have on board before entering Mexico: Vessel Documents or Registration; Passports; Proof of Insurance and Endorsements; Crew List; Fishing Papers; Mexico Tourist Cards; Temporary Import Permit or TIP. Optional documents: Serial Number List; Captain’s Letter; Minor Child Permission Letter. | 
