|EXHIBIT 32.1                                                                                                                                                                                            
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|CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO 18 U.S.C.                                                                                                                                          
|SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE                                                                                                                                                 
|SARBANES-OXLEY ACT OF 2002                                                                                                                                                                              
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|I, George W. Hamlin, IV, President and Chief Executive Officer of Canandaigua National Corporation, certify, pursuant to to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:
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|(1) | the Annual Report on Form 10-K of Canandaigua National Corporation for the annual period ending December 31, 2003 (the "Report')The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and
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|(2) | the information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of Canandaigua National Corporation.                                                                                                       

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|March 10, 2004
|Date