Which of these islands is NOT part of the U.S. Virgin Islands?
Though St. Vincent is indeed an island in the Antilles, it is not part of the U.S. Virgin Islands. The U.S. Virgin Islands consist of St. Croix, St. Thomas, St. John, and Water Island, alongside 50 other tiny islets. Together, they are home to more than 100,000 people.
Source: VI Now