As I posted before the Jones act does not apply to the USVI. That is one of the complaints that Puerto Rico has been making. They want the same exemption.

Merchant Marine Act of 1920 Placed VI Outside US Custom Zone: The Merchant Marine Act of 1920 also knows as the Jones Act excluded the Virgin Islands from the application of all US coastal laws. Specifically, SEC. 21. COASTWISE LAWS EXTENDED TO ISLAND TERRITORIES AND POSSESSIONS (46 App. U.S.C. 877) states the following:
“And provided further, That the coastwise laws of the United States shall not extend to the Virgin Islands.