http://www.captainschoolusvi.com/
Operating 6 passenger boats in the USVI you need.
1-USCG OUPV Near Coastal License
2-CPR & First Aid
3-Random Drug Testing Program
4-FCC Marine Radio Operator Permit
5-TWIC Card
Operating 6 Passenger Boats in the BVI you need to add
6-Master Upgrade to 50 or 100 Gross Ton Master Near Coastal
7-STCW Basic Safety Training
8-BVI Boatmaster License (from BVI Shipping)