What is the Customs procedure upon arriving at the Port of Galveston?

Detailed instructions for clearing Customs will be provided onboard the ship near the end of your cruise. Some general guidelines/suggestions to keep in mind as you shop in foreign ports include keeping receipts for gifts and purchases. U.S. residents visiting foreign ports have a duty-free allowance of $400 and those 21 years or older may include one liter of liquor.