<PAGE>   1
================================================================================


                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


                                 FORM 10-QSB/A-1
                QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934


For Quarterly Period Ended                               Commission File Number:
       June 30, 2000                                             333-74997


                 CITIZENS BANCSHARES OF SOUTHWEST FLORIDA, INC.
        -----------------------------------------------------------------
        (Exact name of small business issuer as specified in its charter)

            Florida                                               59-3535315
------------------------------                               -------------------
State or other jurisdiction of                                (I.R.S. Employer
Incorporation or organization)                               Identification No.)

3411 Tamiami Trail North, Suite 200, Naples, Florida                 34103
--------------------------------------------------------------------------------
(Address of principal executive offices)                          (Zip Code)

Issuer's telephone number: 941-643-4646
                           ------------

                                 Not applicable
--------------------------------------------------------------------------------
(Former name, former address and former fiscal year, if changed since
last report)


Check whether the issuer (1) filed all reports required to be filed by Section
13 or 15(d) of the Securities Exchange Act of 19834 during the past 12 months
(or for such shorter period that the registrant was required to file such
reports), and (2) has been subject to such filing requirements for the past 90
days.

                Yes [X]                               No [ ]

State the number of shares outstanding of each of the issuer's classes of common
equity, as of the latest practicable date:

Common Stock, $0.01 per value                             1,165,370
-----------------------------                 ---------------------------------
           Class                              Outstanding as of August 10, 2000

Transitional Small Business Disclosure Format:

                Yes [ ]                               No [X]


================================================================================




<PAGE>   2

PART II - OTHER INFORMATION

Item 4.  Submission of Matters to a Vote of Security Holders

         On April 27, 2000, Citizens Bancshares of Southwest Florida held its
annual meeting of shareholders. At the meeting, Stanley Hole, LaVonne Johnson,
and Dr. Luc Mazzini were elected as Class I Directors to two year terms. Michael
McMullan, John James, and Bernard Turner were elected as Class II Directors to
three year terms.

The following individuals will continue to serve as Directors until their
respective terms expire: Polly M Rogers, Joe B. Cox, Earl L. Frye, and Lorenzo
Walker.

Shareholders also approved the 1999 Stock Option Plan.

There were no other matters submitted to a vote of the security holders during
the second quarter of 2000.




























<PAGE>   3

                                   SIGNATURES

         Pursuant to the requirements of the Securities Exchange Act of 1934,
the Registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.


Date: November 24, 2000         By: /s/ Michael L. McMullan
                                    --------------------------------------------
                                    Michael L. McMullan, Chief Executive Officer


Date: November 24, 2000         By: /s/ Thomas M. Whelan
                                    --------------------------------------------
                                    Thomas M. Whelan, Chief Executive Officer
                                    (principal financial and accounting officer)