Is there a ferry that runs from St. Thomas to St. Croix or that that too far?

Thank you all for the replies! I think they will be very useful! It's only a week before we leave and the excitement is building by the day!

My husband and I are headed to St. Thomas for our 12th anniversary. We will be arriving Sept. 4 and I can't tell you how ecstatic I am to be going...finally!! We're in Louisiana and it's so hot here; I'm definately ready for some relief! I've been reading the forums for several days and you guys mak...