SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C.  20549

                                    FORM 10-K

                   Annual Report Pursuant to Section 13 or 15(d)
                      of the Securities Exchange Act of 1934

                             For the fiscal year ended
                                 December 31, 2003

                        Commission file number: 333-90550-07

                          LONG BEACH SECURITIES CORP.
             (Exact name of Registrant as specified in its Charter)

                Delaware                                    33-0917586
           (State or other jurisdiction                  (I.R.S. Employer
           incorporation or organization)              Identification Number)

           1100 Town and Country Road
           Orange, California                            92868
         (Address of principal executive offices)      (Zip Code)

            Registrant's telephone number, including area code:
                               (714) 541-5378

          Securities registered pursuant to Section 12(b) of the Act:
                     Long Beach Mortgage Loan Trust 2003-3
                    Asset-Backed Certificates, Series 2003-3

          Securities registered pursuant to Section 12(g) of the Act:
                                     none.

     Indicate by check mark whether the Registrant (1) has filed all reports
     required to be filed by Section 13 or 15(d) of the Securities Exchange
     Act of 1934 during the preceding 12 months (or for such shorter period
     that the Registrant was required to file such reports), and (2) has been
     subject to such filing requirements for the past 90 days.  Yes  X  No
     (as such reporting obligations are modified as set forth in J.P. Morgan
     Mortgage Pass-Through Corporation, SEC No-Action Letter, March 31, 1989,
     in reliance upon which the registrant is filing this modified report).


     Indicate by check mark if disclosure of delinquent filers pursuant to
     Item 405 of Regulation S-K is not contained herein, and will not be
     contained, to the best of the Registrant's knowledge, in definitive proxy
     or information statements incorporated by reference in Part III of the
     Form 10-K or any amendment to this Form 10-K.  [x]

     State the aggregate market value of the voting and non-voting common
     equity held by non-affiliates of the registrant as of December 31, 2003.
     NOT APPLICABLE.

     Indicate the number of shares outstanding of each of the registrant's
     classes of common stock, as of December 31, 2003.
     NOT APPLICABLE

     DOCUMENTS INCORPORATED BY REFERENCE

     The registrant's Reports on Form 8-K concerning the registrant's
     LONG BEACH MORTGAGE LOAN TRUST 2003-3, ASSET-BACKED CERTIFICATES,
     SERIES 2003-3, issued pursuant to the Pooling and Servicing Agreement
     dated as of June 1, 2003 (the "Pooling Agreement") and registered
     pursuant to a registration statement on from S-3 (File No. 333-90550)
     (such asset-backed certificates, the "Certificates"), are incorporated
     by reference as set forth in Part IV, Item 15.  Capitalized terms used
     herein but not otherwise defined shall have the meanings assigned to
     them in the Pooling Agreement.

     PART I

     ITEM 1.  Business.

     Not Applicable.

     ITEM 2.  Properties.

     Not Applicable.

     ITEM 3.  Legal Proceedings.


     There are no material pending legal proceedings with respect to the
     assets of the Trust involving the registrant or, to the best knowledge
     of the registrant, the Trustee, any Custodian, any Servicer or the assets
     of the Trust, other than ordinary routine litigation with respect to the
     underlying mortgage loans comprising the assets of the Trust.




     ITEM 4.  Submission of Matters to a Vote of Security Holders.

     No matters were submitted to a vote of Certificateholders during the
     fiscal year covered by this report.


     PART II

     ITEM 5.  Market for Registrant's Common Equity and Related Stockholder
     Matters.

      (a) To the knowledge of the registrant, there exists no established
      public trading market for the securities.
      (b) The Certificates are represented by one or more certificates
      registered in the name Cede & Co., as nominee of the Depository
      Trust Company ("DTC") and are held in book-entry form only.  The
      registrant considers Cede & Co. to be the sole holder of record of
      the Certificates.
      (c)  Not Applicable.

     ITEM 6.  Selected Financial Data.

     Not Applicable.

     ITEM 7.  Management's Discussion and Analysis of Financial Condition and
     Results of Operations.

     Not Applicable.

     ITEM 7A.  Quantitative and Qualitative Disclosures About Market Risk.

     Not Applicable.


     ITEM 8.  Financial Statements and Supplementary Data.

     Not Applicable.

     ITEM 9.  Changes in and Disagreements with Accountants on Accounting and
     Financial Disclosure.

     None.

     ITEM 9A.  Controls and Procedures

      Not Applicable

     PART III

     ITEM 10.  Directors and Executive Officers of Registrant.

     Not Applicable.

     ITEM 11.  Executive Compensation.

     Not Applicable.

     ITEM 12.  Security Ownership of Certain Beneficial Owners and Management.

     Security ownership of certain beneficial owners.  Under the Pooling
     and Servicing Agreement governing the Trust, the holders of the
     Certificates generally do not have the right to vote and are prohibited
     from taking part in management of the Trust.  For purposes of this Item
     and Item 13 only, however, the Certificateholders are treated as "voting
     security" holders.

     As of December 31, 2003, the following are the only persons known to the
     Registrant to be the beneficial owners of more than 5% of any class of
     voting securities:

     CEDEFAST
     CEDE & CO FAST
     P.O. BOX 20
     BOWLING GREEN STATION
     NEW YORK, NEW YORK, 10274
     SERIES 2003-3
     CLASS A
     $729,000,000
     100.0%

     CEDEFAST
     CEDE & CO FAST
     P.O. BOX 20
     BOWLING GREEN STATION
     NEW YORK, NEW YORK, 10274
     SERIES 2003-3
     CLASS M-1
     $50,850,000
     100.0%

     CEDEFAST
     CEDE & CO FAST
     P.O. BOX 20
     BOWLING GREEN STATION
     NEW YORK, NEW YORK, 10274
     SERIES 2003-3
     CLASS M-2
     $49,500,000
     100.0%


     CEDEFAST
     CEDE & CO FAST
     P.O. BOX 20
     BOWLING GREEN STATION
     NEW YORK, NEW YORK, 10274
     SERIES 2003-3
     CLASS M-3
     $31,500,000
     100.0%

     CEDEFAST
     CEDE & CO FAST
     P.O. BOX 20
     BOWLING GREEN STATION
     NEW YORK, NEW YORK, 10274
     SERIES 2003-3
     CLASS M-4
     $14,850,000
     100.0%


     ITEM 13.  Certain Relationships and Related Transactions.
               Not Applicable.

     ITEM 14.  Principal Accountant Fees and Services
               Not Applicable.

     PART IV

    ITEM 15.  Exhibits, Financial Statement Schedules, and Reports on Form
     8-K.

     (a)  The following is a list of documents filed as part of this Annual
          Report on Form 10-K:

     EXHIBITS 31, 99.1 and 99.2

    (b) The following reports on Form 8-K were filed during the last quarter
        of the period covered by this report.

     Monthly Remittance Statement to the Certificate holders dated as of
     October 27,2003, and filed with the Securities and Exchange Commission on
     Form 8-K on October 29,2003.

     Monthly Remittance Statement to the Certificate holders dated as of
     November 25,2003, and filed with the Securities and Exchange Commission on
     Form 8-K on November 28,2003.

     Monthly Remittance Statement to the Certificate holders dated as of
     December 26,2003, and filed with the Securities and Exchange Commission on
     Form 8-K on January 6,2004.

     (c)  The exhibits required to be filed by Registrant pursuant to Item 601
     of Regulation S-K are listed above and in the Exhibit Index that
     immediately follows the signature page hereof.

     (d)  Not Applicable.  The Trust does not have any subsidiaries or
     affiliates.  Therefore, no financial statements are filed with respect to
     subsidiaries or affiliates.


                                     SIGNATURE

          Pursuant to the requirements of Section 13 or 15(d) 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.


                                       Long Beach Securities Corp.


                                       By: /s/:  Jeffery A. Sorensen
                                       Name:  Jeffery A. Sorensen
                                       Title:  First Vice President

     Date:  March 24, 2004


     EXHIBIT INDEX

     Exhibit Document

      31   Section 302 Certification

      99.1 Servicer's Annual Statement of Compliance for Year End
           December 31,2003.

      99.2 Servicer's Annual Independent Accountant's Report for Year End
           December 31,2003.