UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED DECEMBER 31, 2022. Commission File Number. 1-14173 MARINEMAX, INC. (Exact Name of Registrant as Specified in Its Charter) Florida 59-3496957 (State or Other Jurisdiction of Incorporation or Organization) (I.R.S. Employer Identification Number) 2600 McCormick Drive, Suite 200 Clearwater, Florida 33759 (Address ...