Exhibit 99.4


                            Certification Pursuant to
                             18 U.S.C. Section 1350
                             As Adopted Pursuant to
                  Section 906 of the Sarbanes-Oxley Act of 2002


Pursuant to Section 1350, Chapter 63 of Title 18, United States Code, as adopted
pursuant to Section 906 of the Sarbanes-Oxley  Act of 2002, the undersigned,  as
Chief  Financial  Officer  of  Seacoast  Banking  Corporation  of  Florida  (the
"Company"), does hereby certify that:

1)   the Company's  Quarterly Report on Form 10-Q for the quarter ended June 30,
     2003 (the "Report"),  fully complies with the requirements of Section 13(a)
     or 15(d) of the Securities Exchange Act of 1934; and

2)   the information  contained in the Company's Report fairly presents,  in all
     material respects, the financial condition and results of operations of the
     Company.

Dated:  August 13, 2003

                            /s/ William R. Hahl
                            ----------------------------------------------------
                            William R. Hahl
                            Executive Vice President and Chief Financial Officer