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**UNITED        STATES**

**SECURITIES        AND EXCHANGE COMMISSION**

**Washington,        D.C. 20549**

**FORM        10-K**

**[X]        ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE        ACT OF        1934**

**[          ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES AND        EXCHANGE ACT OF 1934**

|   | Delaware                                                                                        |   | 13-3416059                                                             |   |
|--------|-------------------------------------------------------------------------------------------------|--------|------------------------------------------------------------------------|--------|
|   | (State                  or other jurisdiction ofincorporation                  or organization) |   | (I.R.S.                  Employer Identification                  No.) |   |

|   | o                  Yes |   |  x                  No |
|--------|------------------------|--------|-----------------------------|

|   | o                  Yes |   | x                  No |
|--------|------------------------|--------|-----------------------|

|   | x                  Yes |   | o                  No |
|--------|------------------------|--------|-----------------------|

| Large                  accelerated filer o | Accelerated                  filer o |  Non-accelerated                  filer x |
|--------------------------------------------|--------------------------------------|------------------------------------------------|

**DOCUMENTS        INCORPORATED BY REFERENCE**

**PART        I**

**Item          1.          Business. **

**Item          1A. Risk Factors.**

**Item          1B. Unresolved Staff Comments.**

**Item          2. Properties.**

**Item          3. Legal Proceedings. **

**Item          4. Submission of Matters to a Vote of Security Holders.**

**PART          II**

**Item          5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer          Purchases of Equity Securities.**

**Item          6. Selected Financial Data.**

**Item          7. Management’s Discussion and Analysis of Financial Condition and Results of          Operation.**

**Item          7A. Quantitative and Qualitative Disclosures About Market          Risk.**

**Item          8. Financial Statements and Supplementary Data.**

**Item          9. Changes in and Disagreements With Accountants on Accounting and Financial          Disclosure.**

**Item          9A. Controls and Procedures.**

**Item          9B. Other Information.**

**PART          III**

**Item          10. Directors and Executive Officers of the Registrant.**

**Item          11. Executive Compensation.**

**Item          12. Security Ownership of Certain Beneficial Owners and Management and          Related          Stockholder Matters.**

**Item          13. Certain Relationships and Related Transactions.**

**Item          14. Principal Accounting Fees and Services.**

**Item          1112(b) of Regulation AB. Significant Obligors Financial          Information.**

**Item          1114(b)(2) and 1115(b) of Regulation AB. Significant Enhancement Provider          Financial Information.**

**Item          1117 of Regulation AB. Legal Proceedings.**

**Item          1119 of Regulation AB. Affiliations and Certain Relationships and Related          Transactions.**

**Item          1122 of Regulation AB. Compliance with Applicable Servicing          Criteria.**

**Item          1123 of Regulation AB. Servicer Compliance Statement.**

**                ****PART          IV**

**Item          15. Exhibits, Financial Statement Schedules.**

| **Exhibit                      Number** | **Description**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
|-----------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 4(i)                                    | The                      series 2006-1 pooling and servicing agreement dated as of March 1,                      2006 among Merrill Lynch Mortgage Investors, Inc., as depositor                      (the                      “Depositor”), Wachovia Bank, National Association, as master                      servicer (the “Master Servicer”), Midland Loan Services, Inc.,                      as special servicer (the "Special Servicer") and LaSalle Bank                      National Association, as trustee (the “Trustee”) (the                      "Pooling and Servicing Agreement") (Previously filed as part                      of the                      Registrant's Current Report on Form 8-K on April 17,                      2006)* |
| 31(ii)                                  | Rule                        13a-14(d)/15d-14(d) Certifications                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| 33(a)                                   | Report                      on assessment of compliance with servicing criteria for asset-backed                      securities, Wachovia Bank, National Association, as Master                      Servicer                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| 33(b)                                   | Report                      on assessment of compliance with servicing criteria for asset-backed                      securities, Midland Loan Services, Inc., as Special                      Servicer                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 33(c)                                   | Report                      on assessment of compliance with servicing criteria for asset-backed                      securities, LaSalle Bank National Association, as                      Trustee                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| 33(d)                                   | Report                    on assessment of                    compliance with servicing criteria for asset-backed securities,Global                    Realty Outsourcing, Inc., as servicing function                    participant                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| 34(e)                                   | Report                    on assessment of                    compliance with servicing criteria for asset-backed securities,First                    American Commercial Real Estate Services, Inc., as servicing                    function                    participant                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| 34(a)                                   | Attestation                      report on assessment of compliance with servicing criteria                      for                      asset-backed securities, Wachovia Bank, National Association,                      as Master                      Servicer                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| 34(b)                                   | Attestation                      report on assessment of compliance with servicing criteria                      for                      asset-backed securities, Midland Loan Services, Inc., as Special                      Servicer                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| 34(c)                                   | Attestation                      report on assessment of compliance with servicing criteria                      for                      asset-backed securities, LaSalle Bank National Association,                      as                      Trustee                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| 34(d)                                   | Attestation                    report on                    assessment of compliance with servicing criteria for asset-backed                    securities, Global                    Realty Outsourcing, Inc., as servicing function participant                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 34(e)                                   | Attestation                    report on                    assessment of compliance with servicing criteria for asset-backed                    securities, First                    American Commercial Real Estate Services, Inc., as servicing                    function                    participant                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| 35(a)                                   | Servicer                      compliance statement, Wachovia Bank, National Association,                      as Master                      Servicer                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| 35(b)                                   | Servicer                      compliance statement, Midland Loan Services, Inc., as Special                      Servicer                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| 35(c)                                   | Servicer                        compliance statement, LaSalle Bank National Association,                        as                        Trustee                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |

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**SIGNATURES**

|                                  | Merrill                    Lynch Mortgage Investors, Inc., as Depositor                                                                                             |
|---------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                  |                                                                                                                                                                |
|  March                  29, 2007 | /s/                  David Rodgers                                                                                                                                  |
|                                  | By: David                  Rodgers                                                                                                                             |
|                                  | Title: Executive                  Vice President and Chief                  Officer in Charge of Commercial Mortgage                  Securitization |

**Supplemental            Information to be Furnished With Reports Filed Pursuant to Section 15(d)            of the            Act by Registrants Which Have Not Registered Securities Pursuant to Section            12            of the Act**

| (a)    | (1)                      No annual report is provided to the certificateholders                                                                                                                                                                                                                    |
|--------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   | (2)                      No proxy statement, form of proxy or other proxy soliciting                      material has                      been sent to any certificateholders with respect to any annual                      or other                      meetings of certificateholders. |

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**EXHIBIT        INDEX**

| **Exhibit                              Number** | **Description**                                                                                                                                                                                                                                                                                                                                                                |
|-------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 4(i)                                            | The                              Pooling and Servicing Agreement (Previously filed as                              part of the                              Registrant's Current Report on Form 8-K on April 17,                              2006)*                                                                                                                           |
| 31(ii)                                          | Rule                              13a-14(d)/15d-14(d) Certifications                                                                                                                                                                                                                                                                                                           |
| 33(a)                                           | Report                              on assessment of compliance with servicing criteria                              for asset-backed                              securities, Wachovia Bank, National Association, as                              Master Servicer                                                                                                            |
| 33(b)                                           | Report                              on assessment of compliance with servicing criteria                              for asset-backed                              securities, Midland Loan Services, Inc., as Special                              Servicer                                                                                                                   |
| 33(c)                                           | Report                              on assessment of compliance with servicing criteria                              for asset-backed                              securities, LaSalle Bank National Association, as                              Trustee                                                                                                                      |
| 33(d)                                           | Report                              on assessment of compliance with servicing criteria                              for asset-backed                              securities, Global Realty Outsourcing, Inc., as servicing                              function                              participant                                                                    |
| 34(e)                                           | Report                              on assessment of compliance with servicing criteria                              for asset-backed                              securities, First American Commercial Real Estate Services,                              Inc., as                              servicing function participant                                               |
| 34(a)                                           | Attestation                              report on assessment of compliance with servicing criteria                              for                              asset-backed securities, Wachovia Bank, National Association,                              as Master                              Servicer                                                                   |
| 34(b)                                           | Attestation                              report on assessment of compliance with servicing criteria                              for                              asset-backed securities, Midland Loan Services, Inc.,                              as Special                              Servicer                                                                          |
| 34(c)                                           | Attestation                              report on assessment of compliance with servicing criteria                              for                              asset-backed securities, LaSalle Bank National Association,                              as                              Trustee                                                                             |
| 34(d)                                           | Attestation                              report on assessment of compliance with servicing criteria                              for                              asset-backed securities, Global                              Realty Outsourcing, Inc., as servicing function                              participant                                                   |
| 34(e)                                           | Attestation                              report on assessment of compliance with servicing criteria                              for                              asset-backed securities, First                              American Commercial Real Estate Services, Inc., as                              servicing function                              participant |
| 35(a)                                           | Servicer                              compliance statement, Wachovia Bank, National Association,                              as Master                              Servicer                                                                                                                                                                                                  |
| 35(b)                                           | Servicer                              compliance statement, Midland Loan Services, Inc.,                              as Special                              Servicer                                                                                                                                                                                                         |
| 35(c)                                           | Servicer                              compliance statement, LaSalle Bank National Association,                              as                              Trustee                                                                                                                                                                                                            |