Exhibit 5.1

[GREENBERG TRAURIG, LLP LETTERHEAD]

September 11, 2009

MarineMax, Inc.
18167 U.S. Highway 19 North
Suite 300
Clearwater, Florida 33764

Re: Registration Statement on Form S-3
MarineMax, Inc.

Ladies and Gentlemen:

As legal counsel to MarineMax, Inc., a Delaware corporation (the “Company”), we have assisted in the preparation of the Company’s Registration Statement on Form S-3 (File No. 333-153006) (the “Registration Statement”), filed with the Securities and Exchange Commission (the “Commission”) on August 13, 2008 pursuant to the Securities Act of 1933, as amended (the “Securities Act”), and declared effective by the Commission on September 29, 2008, the preliminary prospectus supplement dated September 10, 2009 (the “Preliminary Prospectus Supplement”), and the final prospectus supplement dated September 11, 2009 (the “Final Prospectus Supplement,” together with the Preliminary Prospectus Supplement, the “Prospectus Supplements”), filed with the Commission under Rule 424(b) of the Securities Act, relating to the proposed public offering (the “Offering”) of up to 2,990,000 shares of the Company’s Common Stock (the “Shares”), which includes an option granted to the Underwriter (as defined below) to purchase 390,000 shares of the Company’s common stock to cover over-allotments, if any.

With respect to the opinions set forth below, we have examined originals, certified copies, or copies otherwise identified to our satisfaction as being true copies, only of the following:

A.	The Restated Certificate of Incorporation of the Company, as amended to date;
B.	The Second Amended and Restated Bylaws of the Company, as amended to date;
C.	The Registration Statement;
D.	The Prospectus Supplements;

MarineMax, Inc.
September 11, 2009
Page 2

E.	The Underwriting Agreement, dated September 11, 2009 (the “Underwriting Agreement”), by and between Raymond James & Associates, Inc. (the “Underwriter”) and the Company;
F.	The resolutions of the Board of Directors of the Company and the Pricing Committee of the Board of Directors relating to the approval of the filing of the Registration Statement and transactions in connection therewith, including the Offering; and
G.	Such other documents, records and other instruments as we have deemed appropriate for purposes of the opinion set forth herein.

In rendering the opinions set forth below, we have assumed the genuineness of all signatures, the legal capacity of natural persons, the authenticity of all documents submitted to us as originals, the conformity to original documents of all documents submitted to us as duplicates or certified or conformed copies, and the authenticity of originals or such latter documents.

Based solely upon and subject to the foregoing, and subject to the assumptions, limitations, and qualifications stated herein, we are of the opinion that the Shares have been duly authorized and, when issued and sold in the manner and under the terms described in the Registration Statement, the Prospectus Supplements, and the Underwriting Agreement, will be validly issued, fully paid, and nonassessable.

We express no opinion as to the applicability or effect of any laws, orders, or judgments of any state or other jurisdiction other than federal securities laws and the substantive laws of the state of Delaware, including interpretations of such laws. Further, our opinion is based solely upon existing laws, rules, and regulations, and we undertake no obligation to advise you of any changes that may be brought to our attention after the date hereof.

We understand that this opinion is to be used in connection with the Registration Statement. We hereby consent to the filing of this opinion letter as Exhibit 5.1 to the Company’s Current Report on Form 8-K filed as of the date hereof and to the reference to this firm under the caption “Legal Matters” in the Prospectus Supplements constituting a part of the Registration Statement. In giving this consent, we do not admit that we are experts within the meaning of Section 11 of the Act or within the category of persons whose consent is required by Section 7 of the Act.

Very truly yours,
 

/s/ Greenberg Traurig, LLP