6-K

UNITED STATESSECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of July 2017

Commission File Number: 001-34934

COSTAMARE INC.(Translation of registrant's name into English)

7 rue du Gabian, MC 98000 Monaco(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F     ☒          Form 40-F     ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):

EXHIBIT INDEX

99.1   Press Release, dated July 3, 2017: Costamare Inc. Declares Quarterly Dividend on its Preferred and Common Stock  

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date:  July 3, 2017

COSTAMARE INC.
By:	/s/ Gregory G. Zikos
Name:	Gregory G. Zikos
Title:	Chief Financial Officer

EX-99.1

Exhibit 99.1

COSTAMARE INC. DECLARES QUARTERLY DIVIDEND ON ITS

PREFERRED AND COMMON STOCK

MONACO – July 3, 2017 – Costamare Inc. (the "Company") (NYSE: CMRE) has declared cash dividends of US $0.476563 per share on its 7.625% Series B Cumulative Redeemable Perpetual Preferred Stock (the "Series B Preferred Stock") (NYSE: CMRE PR B), US $0.531250 per share on its 8.50% Series C Cumulative Redeemable Perpetual Preferred Stock (the "Series C Preferred Stock") (NYSE: CMRE PR C) and US $0.546875 per share on its 8.75% Series D Cumulative Redeemable Perpetual Preferred Stock (the "Series D Preferred Stock") (NYSE: CMRE PR D). The dividend for the Series B Preferred Stock, the Series C Preferred Stock and the Series D Preferred Stock is for the period from April 15, 2017, to July 14, 2017. The dividends will be paid on July 17, 2017 to all holders of record as of July 14, 2017 of Series B Preferred Stock, Series C Preferred Stock and Series D Preferred Stock.

The Company has also declared a quarterly dividend on its common stock of $0.10 per share for the quarter ended June 30, 2017. The dividend for the common stock is payable on August 7, 2017, to holders of record of common stock as of July 24, 2017.

The declaration of a dividend is subject to the discretion of the Board of Directors of the Company, and accordingly will depend on, among other things, the Company's earnings, financial condition and cash requirements and availability, the Company's ability to obtain debt and equity financing on acceptable terms as contemplated by the Company's growth strategy, the restrictive covenants in the Company's existing and future debt instruments and global economic conditions.

About Costamare Inc.
Costamare Inc. is one of the world's leading owners and providers of containerships for charter. The Company has 43 years of history in the international shipping industry and a fleet of 72 containerships, with a total capacity of approximately 473,000 TEU, including two newbuild containerships on order. Eighteen of the Company's containerships, including two newbuilds, have been acquired pursuant to the Framework Deed with York Capital Management by vessel-owning joint venture entities in which we hold a minority equity interest. The Company's common stock, Series B Preferred Stock, Series C Preferred Stock and Series D Preferred Stock trade on the New York Stock Exchange under the symbols "CMRE", "CMRE PR B", "CMRE PR C" and "CMRE PR D", respectively.

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Forward-Looking Statements
This press release contains "forward-looking statements". In some cases, you can identify these statements by forward-looking words such as "believe", "intend", "anticipate", "estimate", "project", "forecast", "plan", "potential", "may", "should", "could" and "expect" and similar expressions. These statements are not historical facts but instead represent only the Company's belief regarding future results, many of which, by their nature, are inherently uncertain and outside of the Company's control. It is possible that actual results may differ, possibly materially, from those anticipated in these forward-looking statements. For a discussion of some of the risks and important factors that could affect future results, see the discussion in the Company's Annual Report on Form 20-F (File No. 001-34934) under the caption "Risk Factors".

Company Contacts:

Gregory Zikos - Chief Financial Officer

Konstantinos Tsakalidis - Business Development, Investor Relations

Costamare Inc., Monaco

Tel: (+377) 93 25 09 40

Email: ir@costamare.com

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