How much duty free allowance is each person allowed?
Source: GoToStCroix.com: Questions about St. Croix, Tourism, Moving …Any U.S. resident, including children, can return, or send, to the mainland $1,600 worth of duty-free imports every thirty days. If you go over your $1,600 allowance, V. I. Purchases are dutiable at a flat rate of 6 percent on the next $1,000. U.S. residents over the age of 21 can return with five bottles of liquor duty-free or six, if one of the bottles is locally produced, such as good ol’ Cruzan Rum. You can find out more about other U.S. Customs Regulations here.