THIRD AMENDMENT

Exhibit 10.1

THIRD AMENDMENT

THIRD AMENDMENT, dated as of May 21, 2012 (this “Amendment”), to the Credit Agreement, dated as of October 20, 2011 (as amended by the First Amendment, dated as of November 17, 2011, as further amended by the Waiver and Second Amendment, dated as of November 18, 2011, the “Credit Agreement”), among Marriott Vacations Worldwide Corporation, a Delaware corporation (“MVWC”), Marriott Ownership Resorts, Inc., a Delaware corporation (the “Borrower”), the several banks and other financial institutions or entities from time to time party thereto (the “Lenders”), Bank of America, N.A. and Deutsche Bank Securities Inc., as co-documentation agents, Merrill Lynch, Pierce, Fenner & Smith Incorporated and Deutsche Bank Securities Inc. as co-syndication agents and JPMorgan Chase Bank, N.A., as administrative agent.

W I T N E S S E T H

WHEREAS, pursuant to the Credit Agreement, the Lenders have agreed to make certain loans and other extensions of credit to the Borrower;

WHEREAS, the Borrower has further requested that the Credit Agreement be amended as set forth herein; and

WHEREAS, the Required Lenders are willing to agree to this Amendment on the terms set forth herein.

NOW, THEREFORE, in consideration of the premises and mutual covenants contained herein, the parties hereto agree as follows:

SECTION 1. Capitalized Terms. Capitalized terms used but not defined herein shall have the meanings assigned to such terms in the Credit Agreement.

SECTION 2. Amendments. The Credit Agreement shall be amended as of the Amendment Effective Date (as defined below) as set forth below.

(a) Amendments to Section 1.1 (Defined Terms). Section 1.1 of the Credit Agreement is hereby amended as follows:

(i) by inserting the following definition in proper alphabetical order:

“Third Amendment” means the Third Amendment to this Agreement dated May 21, 2012.

(b) Amendments to Section 7.9 (Investments). Section 7.9 of the Credit Agreement is hereby amended as follows:

(i) by deleting Section 7.9(f) in its entirety and replacing it with the following:

“(f) (i) Investments by any Foreign Subsidiary in any Foreign Subsidiary that is, or after giving effect to such Investment will become, a Wholly Owned Subsidiary; and

(ii) Investments (not otherwise permitted by subsection 7.9(f)(i)) by any Group Member in any Foreign Subsidiary (or in any Person that after giving effect to such

Investment will become a Foreign Subsidiary); provided that after giving effect to such Investment no Default or Event of Default will exist and the amount of any such Investment shall not exceed on the date such Investment is made, an amount equal to (1) $100,000,000 minus (2) the aggregate amount of Investments in Foreign Subsidiaries theretofore made in accordance with this subsection 7.9(f)(ii) after the Effective Date (including for such purpose the fair market value of any assets contributed to any Foreign Subsidiary (as determined in good faith by senior management of MVWC) pursuant to this Section 7.9(f)(ii), net of Indebtedness assigned to, and assumed by, the respective Foreign Subsidiary in connection therewith) it being understood and agreed that to the extent a Group Member (other than a Foreign Subsidiary) (after the respective Investment has been made) receives (A) a cash return from the respective Investment previously invested pursuant to this Section 7.9(f)(ii) (which cash return may be made by way of repayment of principal in the case of loans and cash equity returns (whether as a distribution, dividend or redemption or proceeds of a disposition) in the case of equity investments), (B) a reduction or termination of an Investment in the form of a guaranty made under this Section 7.9(f)(ii) or (C) a return in the form of an asset distribution in respect of the respective Investment previously invested pursuant to this Section 7.9(f)(ii), then the amount of such cash return of investment, such reduction or termination of a guaranty or the fair market value of such distributed asset (as determined in good faith by senior management of MVWC), as the case may be, shall be added back; provided that the aggregate amount of add-backs described above in respect of any Investment permitted by this subsection 7.9(f)(ii) shall not exceed the amount previously invested pursuant to this Section 7.9(f)(ii) in such Investment;”.

SECTION 3. Conditions to Effectiveness of Amendment. This Amendment shall become effective on the date on which the following conditions precedent have been satisfied or waived (the “Amendment Effective Date”):

(a) The Administrative Agent shall have received a counterpart of this Amendment, executed and delivered by a duly authorized officer of each of (i) the Borrower and MVWC and (ii) the Required Lenders.

SECTION 4. Representations and Warranties. Each of the Borrower and MVWC hereby represents and warrants that (a) each of the representations and warranties contained in Section IV of the Credit Agreement are, after giving effect to this Amendment, true and correct in all material respects as if made on and as of the Amendment Effective Date (unless such representations and warranties are stated to relate to a specific earlier date, in which case such representations and warranties shall be true and correct in all material respects as of such earlier date); provided, that each reference to the Credit Agreement therein shall be deemed to be a reference to the Credit Agreement after giving effect to this Amendment and (b) after giving effect to this Amendment, no Default or Event of Default has occurred and is continuing.

SECTION 5. Effects on Credit Documents. (a) Except as specifically amended herein, all Loan Documents shall continue to be in full force and effect and are hereby in all respects ratified and confirmed.

(b) The execution, delivery and effectiveness of this Amendment shall not operate as a waiver of any right, power or remedy of any Lender or the Administrative Agent under any of the Loan Documents, nor constitute a waiver of any provision of the Loan Documents.

SECTION 6. Expenses. The Borrower agrees to pay and reimburse the Administrative Agent for all of its reasonable out-of-pocket costs and expenses incurred in connection with the preparation and delivery of this Amendment, and any other documents prepared in connection herewith and the transactions contemplated hereby, including, without limitation, the reasonable fees and disbursements of legal counsel.

SECTION 7. GOVERNING LAW; WAIVER OF JURY TRIAL. THIS AMENDMENT AND THE RIGHTS AND OBLIGATIONS OF THE PARTIES HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE WITH AND BE GOVERNED BY THE LAW OF THE STATE OF NEW YORK. EACH PARTY HERETO HEREBY AGREES AS SET FORTH FURTHER IN SECTION 10.16 OF THE CREDIT AGREEMENT AS IF SUCH SECTION WERE SET FORTH IN FULL HEREIN.

SECTION 8. Amendments; Execution in Counterparts. (a) This Amendment shall not constitute an amendment of any other provision of the Credit Agreement not referred to herein and shall not be construed as a waiver or consent to any further or future action on the part of the Loan Parties that would require a waiver or consent of the Required Lenders or the Administrative Agent. Except as expressly amended hereby, the provisions of the Credit Agreement are and shall remain in full force and effect.

(b) This Amendment may not be amended nor may any provision hereof be waived except pursuant to a writing signed by the Borrower, MVWC, the Administrative Agent and the Required Lenders. This Amendment may be executed in any number of counterparts and by the different parties hereto on separate counterparts, including by means of facsimile or electronic transmission, each of which when so executed and delivered shall be an original, but all of which shall together constitute one and the same instrument.

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IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly executed and delivered by their respective proper and duly authorized officers as of the day and year first above written.