Exhibit 5.1

100 North Tampa Street, Suite 4100  |  Tampa, FL 33602  |  T 813.227.8500  |  F 813.229.0134

Holland & Knight LLP  |  www.hklaw.com

June 7, 2017

MarineMax, Inc.

2600 McCormick Avenue, Suite 200

Clearwater, Florida 33759

Re: Registration Statement on Form S-8

Ladies and Gentlemen:

We refer to the Registration Statement (the “Registration Statement”) on Form S-8 filed today by MarineMax, Inc. (the “Company”) with the Securities and Exchange Commission, for the purpose of registering under the Securities Act of 1933, as amended (the “Act”), 2,000,000 shares (the “Shares”) of the authorized common stock, par value $0.001 per share, of the Company being offered to certain executives, employees, officers, directors, consultants, and independent contractors of the Company pursuant to the 2011 Stock-Based Compensation Plan (the “Plan”).

In rendering the opinion set forth below, we have acted as counsel for the Company and have examined originals, or copies certified to our satisfaction, of: (i) the Registration Statement; (ii) the Articles of Incorporation of the Company currently in effect; (iii) the Bylaws of the Company currently in effect; (iv) the Plan: (v) certain resolutions of the Board of Directors of the Company in connection with the Registration Statement; and (vi) certain resolutions adopted in connection with the Company’s annual meeting of shareholders. We also examined originals, or copies certified to our satisfaction, of such corporate records of the Company, certificates of public officials, and representatives of the Company, and other documents as we deemed necessary to deliver the opinion expressed below.

In such examination, we have assumed: (i) authenticity of original documents and the genuineness of all signatures; (ii) the conformity to the originals of all documents submitted to us as copies; (iii) the truth, accuracy, and completeness of the information, representations, and warranties contained in the records, documents, instruments, and certificates we have reviewed; and (iv) that there has been no undisclosed waiver of any right, remedy or provision contained in any such documents.

Based upon the foregoing, and having regard for legal considerations that we deem relevant, it is our opinion that subsequent to the Registration Statement becoming effective under the Act, the Shares, when issued and paid for in accordance with the terms of the Plan, will be duly authorized, validly issued, and fully paid and non-assessable.

This opinion speaks only as of its date. We undertake no obligation to advise the addressees (or any other third party) of changes in law or fact that occur after the date of this opinion, even though the change may affect the legal analysis, a legal conclusion or an informational confirmation in this opinion.

We express no opinion herein as to matters involving the laws of any jurisdiction other than the State of Florida and the federal laws of the United States of America.

We hereby consent to the filing of this opinion as Exhibit 5.1 to the Registration Statement.

Very truly yours,

/s/ Holland & Knight LLP                                                 

HOLLAND & KNIGHT LLP