EXHIBIT 23.3



                                                  March 29, 2006


Ultrapetrol (Bahamas) Limited
Ocean Centre, Montague Foreshore
East Bay St.
Nassau, Bahamas
P.O. Box SS-19084


Dear Sirs:

     Reference is made to the Form F-1 registration  statement,  as the same may
be amended from time to time (collectively,  the "Registration  Statement"),  of
Ultrapetrol  (Bahamas)  Limited  (the  "Company"),  to be filed  with the United
States  Securities and Exchange  Commission under the Securities Act of 1933, as
amended (the "Securities  Act"),  relating to the initial public offering of the
Company's shares of common stock.

     We  hereby  consent  to  (i)  the  use  of the  graphical  and  statistical
information  supplied  by  us  as  set  forth  in  the  Registration  Statement,
including, without limitation, such information set forth under the heading "The
International  Shipping  Industry",  (ii) the  references  to our company in the
Registration  Statement,  (iii) the  naming of our  company  as an expert in the
Registration Statement,  and (iv) the filing of this letter as an exhibit to the
Registration  Statement  to be  filed  with the  United  States  Securities  and
Exchange  Commission  pursuant to the  Securities  Act. We also hereby  agree to
execute  and  deliver  such  other  and  further  consents  as the  Company  may
reasonably request.

                                                  Very truly yours,


                                                  /s/ Fred Doll
                                                  -------------
                                                      Fred Doll
                                                  for DOLL SHIPPING CONSULTANCY


SK 02351 0009 653950