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 OF THE SECURITIES EXCHANGE ACT OF 1934

For the month of March 2012

Commission File Number:  001-33869

STAR BULK CARRIERS CORP.

(Translation of registrant’s name into English)

Star Bulk Carriers Corp. c/o Star Bulk Management Inc. 40 Agiou Konstantinou Street, 15124 Maroussi, Athens, Greece

(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 [ X ]       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): [  ].

Note: Regulation S-T Rule 101(b)(1) only permits the submission in paper of a Form 6-K if submitted solely to provide an attached annual report to security holders.

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): [  ].

Note: Regulation S-T Rule 101(b)(7) only permits the submission in paper of a Form 6-K if submitted to furnish a report or other document that the registrant foreign private issuer must furnish and make public under the laws of the jurisdiction in which the registrant is incorporated, domiciled or legally organized (the registrant's "home country"), or under the rules of the home country exchange on which the registrant's securities are traded, as long as the report or other document is not a press release, is not required to be and has not been distributed to the registrant's security holders, and, if discussing a material event, has already been the subject of a Form 6-K submission or other Commission filing on EDGAR.

INFORMATION CONTAINED IN THIS FORM 6-K REPORT

Attached as Exhibit 1 is a copy of the press release of Star Bulk Carriers Corp. (the “Company”) dated March 27, 2012: Star Bulk Announces Availability of its 2011 Annual Report on Form 20-F.

This report on Form 6-K is hereby incorporated by reference into the Company's registration statement on Form F-3 (File No. 333-153304) that was filed with the U.S. Securities and Exchange Commission ("Commission") with an effective date of November 3, 2008, and the Company's registration statement on Form F-3 (File No. 333-156843) that was filed with the Commission with an effective date of February 17, 2009.

Exhibit 1

STAR BULK ANNOUNCES AVAILABILITY OF ITS 2011 ANNUAL REPORT ON
FORM 20-F

ATHENS, GREECE,  March 27, 2012 - Star Bulk Carriers Corp. (the “Company” or “Star Bulk”) (Nasdaq: SBLK), a global shipping company focusing on transportation of dry bulk cargoes, announced today that the Company’s annual report on Form 20-F that contains the Company’s audited financial statements for the fiscal year ended December 31, 2011 was filed with the Securities and Exchange Commission on March 27, 2012, on the Commission’s website at www.sec.gov and may be found on the Company’s website at www.starbulk.com.  

Shareholders may also receive a hard copy of Form 20-F free of charge upon written request to the Company’s Investor Relations Advisor at:

Capital Link Inc.

230 Park Avenue, Suite 1536

New York, NY 10169 USA

Tel: (+) 1 212 661 7566

Email: starbulk@capitallink.com

About Star Bulk

Star Bulk is a global shipping company providing worldwide seaborne transportation solutions in the dry bulk sector. Star Bulk's vessels transport major bulks, which include iron ore, coal and grain and minor bulks such as bauxite, fertilizers and steel products. Star Bulk was incorporated in the Marshall Islands on December 13, 2006 and maintains executive offices in Athens, Greece. Its common stock trades on the Nasdaq Global Market under the symbol "SBLK." Currently, Star Bulk's fleet consists of fourteen dry bulk carriers, consisting of six Capesize vessels and eight Supramax vessels and a combined cargo carrying capacity of 1,475,005 deadweight tons and an average age of approximately 10 years.

Forward-Looking Statements

Matters discussed in this press release may constitute forward-looking statements. The Private Securities Litigation Reform Act of 1995 provides safe harbor protections for forward-looking statements in order to encourage companies to provide prospective information about their business. Forward-looking statements include statements concerning plans, objectives, goals, strategies, future events or performance, and underlying assumptions and other statements, which are other than statements of historical facts.

The Company desires to take advantage of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995 and is including this cautionary statement in connection with this safe harbor legislation. The words “believe,” “anticipate,” “intends,” “estimate,” “forecast,” “project,” “plan,” “potential,” “may,” “should,” “expect,” “pending” and similar expressions identify forward-looking statements.

The forward-looking statements in this press release are based upon various assumptions, many of which are based, in turn, upon further assumptions, including without limitation, examination by the Company’s management of historical operating trends, data contained in its records and other data available from third parties. Although the Company believes that these assumptions were reasonable when made, because these assumptions are inherently subject to significant uncertainties and contingencies which are difficult or impossible to predict and are beyond the Company’s control, the Company cannot assure you that it will achieve or accomplish these expectations, beliefs or projections.

In addition to these important factors, other important factors that, in the Company’s view, could cause actual results to differ materially from those discussed in the forward-looking statements include the strength of world economies and currencies, general market conditions, including fluctuations in charter rates and vessel values, changes in demand for dry bulk shipping capacity, changes in the Company’s operating expenses, including bunker prices, drydocking and insurance costs, the market for the Company’s vessels, availability of financing and refinancing, changes in governmental rules and regulations or actions taken by regulatory authorities, potential liability from pending or future litigation, general domestic and international political conditions, potential disruption of shipping routes due to accidents or political events, vessels breakdowns and instances of off-hires and other factors. Please see our filings with the Securities and Exchange Commission for a more complete discussion of these and other risks and uncertainties. The information set forth herein speaks only as of the date hereof, and the Company disclaims any intention or obligation to update any forward-looking statements as a result of developments occurring after the date of this communication.

Contacts:

Company:

Simos Spyrou

CFO

Star Bulk Carriers Corp.

c/o Star Bulk Management Inc.

40 Ag. Konstantinou Av.

Maroussi 15124

Athens, Greece

www.starbulk.com

Investor Relations / Financial Media:
Nicolas Bornozis
President
Capital Link, Inc.
230 Park Avenue, Suite 1536
New York, NY 10169
Tel. (212) 661-7566
E-mail: starbulk@capitallink.com

www.capitallink.com

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.

STAR BULK CARRIERS CORP.
(Registrant)

Date: March 27, 2012	By:	/s/ SPYROS CAPRALOS
	Name:	Spyros Capralos
	Title:	Chief Executive Officer and President