OK - What about the ferry from Puerto Rico then?
Anyone??
This is from a previous thread.
http://www.dr1.com/forums/living/73248-vehicle-import-via-santo-domingo-mayag-ez-ferry.html
I believe a DR1 member made the trip with a vehicle but you will have to use the search function. You can always call the Ferry company and a rep will tell you the same thing I described in that link.