FIFTH AMENDMENT TO
                            REVOLVING NOTE AGREEMENT

         This Fifth Amendment to the Revolving Note Agreement ("the  AMENDMENT")
is entered  into as of February  20,2007,  by and among Marine  Growth  Ventures
Inc.,  Marine Growth  Charter,  Inc.,  Marine  Aggregates,  Inc.,  Marine Growth
Freight,   Inc.,,  and  Gulf  Casino  Cruises,   Inc.,   Delaware   corporations
(collectively the "Borrower"), and Frank P. Crivello (the "Lender").

            WHEREAS, the Borrower and the Lender are parties to a Revolving Note
Agreement dated as of January 5, 2006 (the "NOTE AGREEMENT")  pursuant to which,
among other things, the Borrower promised to pay the Lender the principal sum of
up to Fifty Thousand Dollars ($50,000.00), or so much thereof as shall have been
advanced by the Lender to the Borrower plus  interest  thereon at an annual rate
equal to ten  percent  (10%) on the  Maturity  date of such Note  being June 30,
2006.

            WHEREAS,   the  Note  Agreement  was  amended  on  March  31,  2006,
permitting  the  Borrower  to  acquire  an  additional  Fifty  Thousand  Dollars
($50,000.00) in funds from the Lender.

            WHEREAS, the Note Agreement was amended on June 20, 2006, permitting
the Borrower to acquire an additional  Fifty Thousand  Dollars  ($50,000.00)  in
funds from the Lender.

            WHEREAS,  the  Note  Agreement  was  amended  on  October  6,  2006,
permitting  the  Borrower  to  acquire  an  additional  Fifty  Thousand  Dollars
($50,000.00) in funds from the Lender.

            WHEREAS,  the Note  Agreement  was  amended  on  January  15,  2007,
permitting  the  Borrower  to  acquire  an  additional  Fifty  Thousand  Dollars
($50,000.00) in funds from the Lender.

            WHEREAS,  the  parties  desire  to make a certain  amendment  to the
Fourth  Amendment  to the  Revolving  Note  Agreement  to permit the Borrower to
acquire an additional  Fifty  Thousand  Dollars  ($50,000.00)  in funds from the
Lender and to extend the date in which the principal sum, plus interest, is due.

            NOW,  THEREFORE,  in  consideration  of the  premises and the mutual
covenants contained in this Amendment the parties agree as follows:

            1.  Paragraph  One of the  Note  Agreement  is  hereby  amended  and
restated to provide as follows:

                  FOR VALUE RECEIVED, Marine Growth Ventures Inc., Marine Growth
         Finance and Charter,  Inc.,  Marine  Aggregates,  Inc.,  Marine  Growth
         Freight,  Inc., and Gulf Casino Cruises,  Inc.,  Delaware  corporations
         (collectively  the  "Borrower"),  having an office at 3408 Dover  Road,
         Pompano Beach,  Florida 33062,  hereby  promises to pay to the order of
         Frank P. Crivello (the  "Lender"),  at the Lender's  office  located at
         3408 Dover Road, Pompano Beach, Florida 33062 or at such other place in
         the  continental  United States as the Lender may designate in writing,
         upon demand,  in lawful money of the United States,  and in immediately
         available  funds,  the principal  sum of up to THREE  HUNDRED  THOUSAND
         DOLLARS  ($300,000),  or so much thereof as shall have been advanced by
         the  Lender  to the  Borrower  as  hereinafter  set  forth  and then be
         outstanding,  and to pay interest  thereon on the  Maturity  Date at an
         annual rate equal to ten percent (10%).



            2. The entire principal sum of $300,000.00,  plus interest, shall be
due and payable on the 20th day of February 2008. Notwithstanding the foregoing,
if the principal balance shall be prepaid in full by December 15, 2007, then all
interest shall be waived, and no interest shall be due and payable to Payee.

            3. This Amendment  constitutes the sole and entire  agreement of the
parties with respect to the subject matter hereof. Except as amended hereby, all
other terms and conditions of the Note Agreement  shall remain in full force and
effect.

         IN WITNESS WHEREOF,  the undersigned have executed this Amendment as of
the date first above written.

LENDER



/s/ Frank P. Crivello
- ----------------------------------
Frank P. Crivello


BORROWER


/s/ Paul L. Schwabe                      /s/ Paul L. Schwabe
- ----------------------------------       ----------------------------------
Paul L. Schwabe, Secretary               Paul L. Schwabe, Secretary
Marine Growth Ventures, Inc.             Marine Growth Finance and Charter, Inc.


/s/ Paul L. Schwabe                      /s/ Paul L. Schwabe
- ----------------------------------       ----------------------------------
Paul L. Schwabe, Secretary               Paul L. Schwabe, Secretary
Marine Aggregates, Inc.                  Marine Growth Freight, Inc.


/s/ Paul L. Schwabe
- ----------------------------------
Paul L. Schwabe, Secretary
Gulf Casino Cruises, Inc.