UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

DATE OF REPORT: March 15, 2012

(Date of earliest event reported)

Hornbeck Offshore Services, Inc.

(Exact Name of Registrant as Specified in Its Charter)

(985) 727-2000

(Registrant’s Telephone Number, Including Area Code)

N/A

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

Item 1.01 – Entry into a Material Definitive Agreement.

First Supplemental Indenture for 6.125% Senior Notes due 2014

On March 15, 2012, Hornbeck Offshore Services, Inc., a Delaware corporation, or the Company, announced that it had accepted for purchase and payment approximately 84.04% of the $300 million in aggregate principal amount of its 6.125% Senior Notes due 2014 (CUSIP 440543AB2), or the 2004 Notes, which represents all of the 2004 Notes that were validly tendered (and not validly withdrawn) prior to 5:00 p.m., New York City time, on March 15, 2012 pursuant to its previously announced tender offer and consent solicitation, which commenced on March 2, 2012. Payment for the tendered 2004 Notes was made on March 16, 2012. The tender offer for the 2004 Notes will expire at 11:59 p.m., New York City time, on March 29, 2012, unless extended by the Company in its sole discretion.

On March 15, 2012, following receipt of the requisite consents of the holders of the 2004 Notes, the Company entered into the First Supplemental Indenture by and among the Company, the guarantors named therein and Wells Fargo Bank, National Association, as trustee, which modified the provisions of the Indenture, dated as of November 23, 2004, by and among the Company, certain subsidiaries of the Company and Wells Fargo Bank, National Association, as trustee, or the 2004 Notes Indenture. The First Supplemental Indenture eliminates most of the covenants and certain default provisions in the 2004 Notes Indenture. The First Supplemental Indenture became operative on March 16, 2012 upon the purchase by the Company of a majority of the outstanding 2004 Notes pursuant to its tender offer and consent solicitation for such notes. The foregoing description of the First Supplemental Indenture does not purport to be complete and is qualified in its entirety by reference to the First Supplemental Indenture, a copy of which is filed as Exhibit 4.1 to this Current Report on Form 8-K and is incorporated herein by reference.

Indenture for 5.875% Senior Notes due 2020

On March 16, 2012, the Company issued and sold $375 million in aggregate principal amount of its 5.875% Senior Notes due 2020 (CUSIP Nos. 440543AJ5 and U44070AD9), or the 2020 Notes, in a private placement pursuant to that certain Purchase Agreement, dated March 2, 2012, between the Company, the guarantors named therein and J.P. Morgan Securities LLC, as representative of the several initial purchasers named therein, or collectively, the Initial Purchasers, which was filed as exhibit 10.1 to the Company’s Current Report on Form 8-K filed on March 6, 2012.

The 2020 Notes were issued pursuant to an Indenture, dated as of March 16, 2012, or the 2020 Notes Indenture, among the Company, the subsidiary guarantors named therein and Wells Fargo Bank, National Association, as trustee. The 2020 Notes bear interest at 5.875% per annum on the principal amount, accruing from March 16, 2012. Interest is payable semi-annually in arrears in cash on April 1 and October 1 of each year commencing October 1, 2012. The 2020 Notes will mature on April 1, 2020. The 2020 Notes are senior, unsecured obligations, ranking equally in right of payment with all of the Company’s existing and future unsecured senior indebtedness and senior in right of payment to any subordinated indebtedness incurred by the Company in the future. The Company’s obligations under the 2020 Notes are guaranteed by all of the Company’s significant domestic restricted subsidiaries.

On or after April 1, 2016, the Company may at its election redeem all or a part of the 2020 Notes at an initial redemption price equal to 102.938% of the principal amount, plus accrued and unpaid interest, if any. The redemption price will decline each year after 2016 and will be 100% of the principal amount, plus accrued and unpaid interest, if any, beginning on April 1, 2018. In addition, before April 1, 2015, the Company may redeem up to 35% of the aggregate principal amount of the 2020 Notes at 105.875% of their principal amount, plus accrued and unpaid interest, if any, with the net cash proceeds of certain offerings of the Company’s capital stock. The Company also has the right to redeem any and all of the 2020 Notes at any time prior to April 1, 2016 at a redemption price equal to 100% of the principal amount, plus a 50 basis points make whole premium.

Upon a Change of Control (as defined in the 2020 Notes Indenture), the holders of the 2020 Notes will have the right to require the Company to purchase the 2020 Notes at a purchase price equal to 101% of the principal amount of the 2020 Notes outstanding on the date of the purchase, plus accrued and unpaid interest, if any. Upon receipt of excess proceeds equal to or exceeding $20 million from certain asset sales, the Company will be required to make an offer to purchase all or a portion of the 2020 Notes at a purchase price equal to 100% of the principal amount, plus accrued and unpaid interest, if any. The 2020 Notes are not entitled to the benefits of a sinking fund.

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The 2020 Notes Indenture contains certain covenants that restrict the Company’s ability and the ability of certain of the Company’s subsidiaries to: (i) incur additional indebtedness; (ii) create liens on its assets to secure debt; (iii) pay dividends or make other distributions; (iv) purchase equity interests or redeem subordinated indebtedness early; (v) make investments or certain other restricted payments; (vi) sell assets or merge or consolidate with other companies; (vii) issue or sell capital stock of the Company’s subsidiaries; or (viii) enter into certain transactions with affiliates. These limitations are subject to a number of important qualifications and exceptions. While similar in nature to the covenants in the 2004 Indenture, the effect of certain of the covenants in the 2020 Notes Indenture is less restrictive on the Company and its subsidiaries. Further, certain of these covenants would cease to apply from and after the date that the 2020 Notes are rated investment grade by either Moody’s Investors Service, Inc. or Standard & Poor’s Ratings Services. The 2020 Notes are currently rated Ba3 and BB- by Moody’s and Standard & Poor’s, respectively. Upon an Event of Default (as defined in the 2020 Notes Indenture), the trustee or the holders of at least 25% in aggregate principal amount of the 2020 Notes then outstanding, may, and the trustee at the request of such holders is required to, declare the principal of and accrued interest on the 2020 Notes to be due and payable immediately.

The 2020 Notes have not been registered under the Securities Act of 1933, as amended, or the Securities Act, or any state securities laws and may not be offered or sold in the United States absent registration or an applicable exemption from the registration requirements of the Securities Act and applicable state securities laws. This Current Report on Form 8-K does not constitute an offer to sell or the solicitation of an offer to purchase the 2020 Notes, or an offer to purchase or the solicitation of an offer to sell the 2004 Notes.

The foregoing description of the 2020 Notes Indenture does not purport to be complete and is qualified in its entirety by reference to the 2020 Notes Indenture, a copy of which is filed as Exhibit 4.2 to this Current Report on Form 8-K and is incorporated herein by reference. The foregoing description of the 2020 Notes does not purport to be complete and is qualified in its entirety by reference to the 2020 Notes Indenture and the form 2020 Notes, a copy of which is filed as Exhibit 4.3 to this Current Report on Form 8-K and is incorporated herein by reference.

Registration Rights Agreement

The Initial Purchasers and their direct and indirect transferees will be entitled to the benefits of a registration rights agreement, dated as of March 16, 2012, entered into between JP Morgan Securities LLC, as representative of the Initial Purchasers, the Company and the guarantors named therein, or the Registration Rights Agreement. Under the Registration Rights Agreement, the Company has agreed to file a registration statement to register the issuance of new notes, or the Exchange Notes, substantially similar to the 2020 Notes with the Securities and Exchange Commission, or the SEC, within 90 days after March 16, 2012, as part of an offer to exchange such Exchange Notes that generally are freely transferable for the 2020 Notes. The Company has agreed to use reasonable best efforts to cause (i) the exchange offer registration statement to become effective on or prior to 210 days after March 16, 2012, and (ii) the exchange offer to be consummated on or prior to 30 days after the exchange offer registration statement has become effective. In certain circumstances, if so obligated to file, the Company has agreed to use its reasonable best efforts to file a shelf registration statement with the SEC on or prior to 30 days after such filing obligation arises and to cause such shelf registration statement to be declared effective by the SEC on or prior to 120 days after such shelf registration is filed. If the Company fails to register within the specified time, the exchange offer of the 2020 Notes or the resale of the 2020 Notes pursuant to a shelf registration statement, in each case as required in the Registration Rights Agreement, the Company will be obligated to pay additional interest to the holders of the 2020 Notes.

The foregoing description of the Registration Rights Agreement does not purport to be complete and is qualified in its entirety by reference to the Registration Rights Agreement, a copy of which is filed as Exhibit 4.4 to this Current Report on Form 8-K and is incorporated herein by reference.

Item 2.03 – Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.

The information set forth in Item 1.01 of this Current Report on Form 8-K is incorporated into this Item 2.03 by reference.

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Item 8.01 – Other Events.

On March 16, 2012, the Company announced that it closed on the sale of the 2020 Notes to the Initial Purchasers and repurchased approximately 84.04% of the outstanding $300 million aggregate principal amount of its 2004 Notes.

Copies of the press releases with these announcements are attached as Exhibits 99.1 and 99.2.

Item 9.01 – Financial Statements and Exhibits.

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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.

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