Exhibit 99.1

September 9, 2002

FOR IMMEDIATE RELEASE

                      MONTEREY BAY BANCORP, INC. ANNOUNCES:
                        INCREASE IN NUMBER OF DIRECTORS;
                         APPOINTMENT OF A NEW DIRECTOR;
                  THIRD QUARTER 2002 STOCK REPURCHASE ACTIVITY;
                           INCREASED INSIDER OWNERSHIP

                                                      Common Stock Symbol:  MBBC
                                                          NASDAQ National Market

         Watsonville,   CA.  September  9,  2002.  Monterey  Bay  Bancorp,  Inc.
("Company"), the holding company for Monterey Bay Bank ("Bank"), today announced
an  increase  in the number of  Directors  from nine to ten.  The  Company  also
announced the appointment of Ms. Rita Alves as a Director of the Company and the
Bank. Ms. Alves is currently the Chief  Financial  Officer and Vice President of
Finance of Granite Rock Company,  which has been in operation in California  for
over 100 years.  Ms. Alves  graduated  with a degree in Business  Administration
from San Jose State University and is a Certified Public  Accountant.  Ms. Alves
is an active supporter of local community activities in the Greater Monterey Bay
Area.  Ms.  Alves was  initially  appointed  to a term that  expires at the 2003
Annual Meeting of Stockholders.

         McKenzie  Moss,  Chairman of the Board of  Directors,  remarked:  "Rita
Alves' professional skills and active community  involvement make her a valuable
addition to Monterey  Bay  Bancorp's  Board.  We look forward to her insight and
contributions as the Company  maintains strong  commitments to quality corporate
governance and the continued increase in stockholder value."

         Thus far during the third quarter of 2002, the Company has  repurchased
a total of 25,000  shares of its common  stock at prices  ranging from $17.10 to
$17.36 per share.  Following  these  repurchases,  the Company has an additional
84,035 shares authorized for acquisition under its current repurchase program.

         In July and August 2002, multiple Insiders purchased  additional shares
of the Company's  common stock.  Purchasers  included the Bank's Chief Executive
Officer,  Chief Financial Officer,  Chief Loan Officer,  and Josiah T. Austin, a
Director who owns in excess of 15.0% of the Company's common stock. In addition,
all Directors  continued to receive their  retainer fees in Company common stock
during the third quarter of 2002.

         C. Edward Holden,  President and Chief  Executive  Officer,  commented:
"The  Company   continues  to  focus  upon  augmenting   stockholder  value  and
effectively managing its capital resources. The additional purchases of Monterey
Bay Bancorp  common stock by Insiders are welcomed,  as we believe they serve to
align Director and Management interests with those of stockholders."

         The  Company's  common  stock is listed on the NASDAQ  National  Market
under  the  symbol  "MBBC".  The  Company  and the  Bank  are  headquartered  in
Watsonville, California. The Bank operates through its administrative offices in
Watsonville,  one stand-alone loan production  office in Los Angeles,  and eight
full  service  branches  located  in the  Greater  Monterey  Bay Area of Central
California.  The Bank  operates 11 ATM's  including  two at remote  (non-branch)
sites.  The Bank also offers  customer access via bilingual  telephone  banking,
Internet banking, and worldwide ATM networks. The Bank's deposits are insured by
the Federal Deposit Insurance Corporation ("FDIC") to the maximum extent allowed
by law.

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Monterey Bay Bancorp, Inc.                                                Page 2
Press Release
September 9, 2002


         Certain of the  statements  contained  herein  that are not  historical
facts  are  forward-looking   statements  within  the  meaning  of  the  Private
Securities  Litigation  Reform Act.  Forward-looking  statements  are  typically
identified  by words  or  phrases  such as  "believe",  "expect",  "anticipate",
"intend",  "estimate",  "target", "plan", "may increase", "may fluctuate",  "may
result in", "are  projected",  and similar  expressions.  The  Company's  actual
results  may  differ  materially  from  those  included  in the  forward-looking
statements.  These  forward-looking  statements  involve risks and uncertainties
including,  but not limited to, the economic,  business,  and real estate market
conditions  in  the  Company's   market  areas,   competition,   regulatory  and
legislative  actions, the possibility that the Company will not be successful in
achieving  its  strategic  objectives,  the  performance  and  contributions  of
employees and Directors,  and other factors  discussed in documents filed by the
Company with the Securities and Exchange Commission from time to time, including
the Company's  Annual Report on Form 10-K for the fiscal year ended December 31,
2001 and the  quarterly  Forms 10-Q filed by the Company . The Company  does not
undertake,   and   specifically   disclaims  any   obligation,   to  update  any
forward-looking  statements to reflect  occurrences or  unanticipated  events or
circumstances after the date of such statements.

         This news release is available at the www.montereybaybank.com  Internet
site and is  included  as an Exhibit to a Form 8-K filed with the  Securities  &
Exchange Commission that is available at the www.sec.gov Internet site.


                        For further information contact:

C. Edward Holden                                 Mark R. Andino
Chief Executive Officer              or          Chief Financial Officer
President                                        Treasurer
(831) 768 - 4840                                 (831) 768 - 4806
ed.holden@montereybaybank.com                    mark.andino@montereybaybank.com


                             General communication:

                            INFO@MONTEREYBAYBANK.COM

                             www.montereybaybank.com

                             Phone: (831) 768 - 4800

                              Fax: (831) 722 - 6794



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