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, 2023 Commission File Number 1-14173 MarineMax, Inc. (Exact Name of Registrant as Specified in Its Charter) Florida 59-3496957 (State of Incorporation) (I.R.S. Employer Identification No.) 2600 McCormick Drive Suite 200, Clearwater, Florida 33759 (727) 531-1700 (Address, including zip code, and telephone ...