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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , DC 20549 Form 10 - K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended September 30 , 2021 Commission File Number 1-14173 MarineMax , Inc. ( Exact Name of Registrant as Specified in Its Charter ) Florida ( State of Incorporation ) 59-3496957 Title of Each Class Common Stock , par value $ .001 per share ( I.R.S. Employer Identification No. ) 2600 McCormick Drive Suite 200 Clearwater , Florida 33759 ( 727 ) 531-1700 ( Address , including zip code , and telephone number , including area code , of principal executive offices ) Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol HZO Securities registered pursuant to Section 12 ( g ) of the Act : None Name of Each Exchange on Which Registered New York Stock Exchange No Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . Yes No Indicate by check mark whether the registrant ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 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 No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S - T ( § 232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . Yes No Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , smaller reporting company , or an emerging growth company . See the definitions of " large accelerated filer , " " accelerated filer , " " smaller reporting company , " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . Large accelerated filer Non - accelerated filer Accelerated filer Smaller reporting company Emerging growth company If an emerging growth company , indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13 ( a ) of the Exchange Act . Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404 ( b ) of the Sarbanes - Oxley Act ( 15 U.S.C. 7262 ( b ) ) by the registered public accounting firm that prepared or issued its audit report . No Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Act ) . Yes The aggregate market value of common stock held by non - affiliates of the registrant ( 21,629,303 shares ) based on the closing price of the registrant's common stock as reported on the New York Stock Exchange on March 31 , 2021 , which was the last business day of the registrant's most recently completed second fiscal quarter , was $ 1,067,622,396 . For purposes of this computation , all officers and directors of the registrant are deemed to be affiliates . Such determination should not be deemed to be an admission that such officers and directors are , in fact , affiliates of the registrant . As of November 15 , 2021 , there were outstanding 21,864,914 shares of the registrant's common stock , Documents Incorporated by Reference Portions of the registrant's definitive proxy statement for the 2022 Annual Meeting of Shareholders are incorporated by reference into Part III of this report . par value $ .001 per share .