MARINEMAX INC

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the Securities

Exchange Act of 1934

Filed by the Registrant ☑

Filed by a Party other than the Registrant ☐

Check the appropriate box:

MarineMax, Inc.

(Name of Registrant as Specified in its Charter)

(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)

Payment of Filing Fee (Check the appropriate box):

Notice of Annual Meeting &

MARINEMAX, INC.

NOTICE OF ANNUAL MEETING OF SHAREHOLDERS

March 3, 2026

The Annual Meeting of Shareholders of MarineMax, Inc., a Florida corporation, (including any adjournment, postponement or rescheduling thereof, the “meeting”) will be held at 8:00 a.m., local time, on Tuesday, March 3, 2026, at our principal executive offices located at 501 Brooker Creek Boulevard, Oldsmar, Florida 34677, for the following purposes:

To elect three directors, each to serve for a three-year term expiring at the 2029 annual meeting of shareholders and until the election and qualification of their respective successors in office.

To approve (on an advisory basis) our executive compensation (“say-on-pay”).

To approve an amendment to our 2021 Stock-Based Compensation Plan to increase the number of shares available for issuance under that plan by 415,000 shares.

To ratify the appointment of KPMG LLP (“KPMG”), an independent registered public accounting firm, as the independent auditor of our Company for the fiscal year ending September 30, 2026.

To transact such other business as may properly come before the meeting or any adjournment thereof.

The above items are more fully described in the proxy statement accompanying this notice.

Only shareholders of record at the close of business on February 13, 2026 (the “Record Date”), are entitled to notice of and to vote at the meeting; provided, however, that we are sending these proxy solicitation materials to all shareholders of record at the close of business on January 20, 2026 (the “Information Date”). On or about February 15, 2026, we anticipate sending proxy materials to all shareholders of record at the close of business on the Record Date.

All shareholders are cordially invited to attend the meeting and vote in person. To ensure your representation at the meeting, however, we urge you to vote by proxy as promptly as possible over the Internet or by phone as instructed in the attached proxy card. You can also vote by mail by following the instructions on the proxy card. You may vote in person at the meeting even if you have previously returned a proxy.

Sincerely,

Michael H. McLamb

Secretary

Oldsmar, Florida

January 21, 2026

This Notice of Annual Meeting, the Proxy Statement (including the form of proxy) and our 2025 Annual Report on Form 10-K are available at www.proxyvote.com.