8-K

                                  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 (Date of earliest event reported): June 2, 2008

                           IRON MOUNTAIN INCORPORATED
             (Exact name of registrant as specified in its charter)

                                    DELAWARE
                 (State or other jurisdiction of incorporation)

           1-13045                                     23-2588479
   (Commission File Number)                (IRS Employer Identification No.)

                               745 Atlantic Avenue
                           Boston, Massachusetts 02111
          (Address of principal executive offices, including zip code)

                                 (617) 535-4766
              (Registrant's telephone number, including area code)

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.):

|_|   Written  communications  pursuant to Rule 425 under the Securities Act (17
      CFR 230.425)

|_|   Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
      240.14a-12)

|_|   Pre-commencement  communications  pursuant  to  Rule  14d-2(b)  under  the
      Exchange Act (17 CFR 240.14d-2(b))

|_|   Pre-commencement  communications  pursuant  to  Rule  13e-4(c)  under  the
      Exchange Act (7 CFR 240.13e-4(c))



Item 8.01.  Other Items.

Public Offering
- ---------------

On June 2, 2008, Iron Mountain Incorporated, (the "Company") issued a press
release announcing a proposed public offering of $300 million in aggregate
principal amount of its Senior Subordinated Notes due 2020. A copy of the
Company's press release is attached hereto as Exhibits 99.1 and incorporated
herein by reference.


Item 9.01. Financial Statements and Exhibits.

(d)   Exhibits

99.1  Press Release of Iron Mountain Incorporated dated June 2, 2008 (filed
      herewith).



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.

                                      IRON MOUNTAIN INCORPORATED
                                      (Registrant)

                                      By: /s/  Brian McKeon
                                          -------------------------------------
                                          Name:  Brian McKeon
                                          Title: EVP and Chief Financial Officer

Date: June 2, 2008

EX-99.1

[LOGO] Iron Mountain(R)

Investor Relations contact:
Stephen P. Golden
Vice President, Investor Relations
sgolden@ironmountain.com
(617) 535-4769

FOR IMMEDIATE RELEASE

         Iron Mountain Incorporated Announces $300 Million Debt Offering

      BOSTON, June 2 /PRNewswire-FirstCall/ -- Iron Mountain Incorporated (NYSE:
IRM)  announced  today a proposed  public  offering of $300 million in aggregate
principal amount of Senior  Subordinated  Notes due 2020. The Company intends to
use the  net  proceeds  from  the  offering  for the  repayment  of  outstanding
indebtedness  under  its  revolving  credit  facility,  redemption  of  all  its
outstanding 8-1/4% Senior  Subordinated Notes due 2011, the possible  repayment,
repurchase  or  retirement  of  other  indebtedness  and for  general  corporate
purposes,  including  possible future  acquisitions and  investments.  The exact
terms and timing of the offering  will depend upon market  conditions  and other
factors.

      Iron  Mountain   Incorporated   is  making  the  offering  under  a  shelf
registration  statement  previously  declared  effective by the  Securities  and
Exchange Commission. This offering will be made solely by means of a prospectus.
A copy of the prospectus supplement and related base prospectus for the offering
may  be  obtained  on  the  SEC  website  at  www.sec.gov.   Alternatively,  the
underwriters will arrange to send you the prospectus supplement and related base
prospectus if you request them by contacting J.P. Morgan  Securities Inc. at 270
Park Avenue, 8th Floor, New York, New York 10017, attention Syndicate Desk.

      This   announcement   shall  not  constitute  an  offer  to  sell  or  the
solicitation of an offer to buy securities, nor shall there be any sale of these
securities in any state or other jurisdiction in which such offer,  solicitation
or sale would be  unlawful  prior to  registration  or  qualification  under the
securities laws of any such state or jurisdiction.  This  announcement  does not
constitute a notice of redemption of the 8-1/4% notes referred to above.

      About Iron Mountain

      Iron Mountain  Incorporated  (NYSE:  IRM) helps  organizations  around the
world reduce the costs and risks  associated  with  information  protection  and
storage. The company offers comprehensive records management and data protection
solutions,   along  with  the  expertise  and  experience  to  address   complex
information  challenges  such as rising  storage costs,  litigation,  regulatory
compliance and disaster  recovery.  Founded in 1951,  Iron Mountain is a trusted
partner to more than 100,000 corporate clients throughout North America, Europe,
Latin America and Asia Pacific.  For more  information,  visit the company's Web
site at www.ironmountain.com.

      Investor Relations contact:
      Stephen P. Golden
      Vice President, Investor Relations
      sgolden@ironmountain.com
      (617) 535-4769

SOURCE:    Iron Mountain Incorporated
/CONTACT:  Investor Relations, Stephen P. Golden, Vice President,
           Investor Relations of Iron Mountain Incorporated,
           +1-617-535-4769, sgolden@ironmountain.com/
           /First Call Analyst: /
           /FCMN Contact: sgolden@ironmountain.com /
           /Web site:  http://www.ironmountain.com /
           (IRM)