6-K

UNITED STATES

SECURITIES 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 May 2021

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):

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EXHIBIT INDEX

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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: May 12, 2021

Exhibit 99.1

Costamare Inc. Announces Offering of Senior Unsecured Bonds on the Athens Exchange

MONACO – May 12, 2021 – Costamare Inc. (the “Company”) (NYSE: CMRE) announced today that its wholly owned subsidiary, Costamare Participations Plc (the “Issuer”), plans to offer in Greece up to €100 million of unsecured bonds (the “Bonds”) which will be admitted to trading in the category of fixed income securities of the Regulated Market of the Athens Exchange.

The net proceeds of the offering are intended to be used for repayment of indebtedness, vessel acquisitions and working capital purposes.

The Bonds to be offered have not been registered under the Securities Act or the securities laws of any U.S. state or other jurisdiction and may not be offered or sold in the United States absent registration or unless pursuant to an applicable exemption from the registration requirements of the Securities Act and any other applicable securities laws. This press release does not constitute an offer to sell or the solicitation of an offer to buy the Bonds, nor shall it constitute an offer, solicitation or sale in any jurisdiction in which such offer, solicitation or sale would be unlawful. In addition, this announcement is not intended as and shall not constitute a public offer or advertisement of securities in Greece or an invitation to make offers to purchase any securities in any EEA Member State within the meaning of Art. 2(d) or 2(k) of the Prospectus Regulation respectively.

About Costamare Inc.

Costamare Inc. is one of the world’s leading owners and providers of containerships for charter. The Company has 47 years of history in the international shipping industry and a fleet of 82 containerships, with a total capacity of approximately 582,837 TEU, including one vessel under construction, six secondhand vessels that we have agreed to acquire and three vessels that we have agreed to sell. Five of our containerships 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, Series D Preferred Stock and Series E Preferred Stock trade on the New York Stock Exchange under the symbols “CMRE”, “CMRE PR B”, “CMRE PR C”, “CMRE PR D” and “CMRE PR E”, 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 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

Costamare Inc., Monaco

Tel:  (+377) 93 25 09 40

Email:  ir@costamare.com