<SEC-DOCUMENT>0001104659-21-102190-index.html : 20210809
<SEC-HEADER>0001104659-21-102190.hdr.sgml : 20210809
<ACCEPTANCE-DATETIME>20210809164031
ACCESSION NUMBER:		0001104659-21-102190
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20210809
DATE AS OF CHANGE:		20210809
EFFECTIVENESS DATE:		20210809

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IRON MOUNTAIN INC
		CENTRAL INDEX KEY:			0001020569
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				232588479
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-258637
		FILM NUMBER:		211157092

	BUSINESS ADDRESS:	
		STREET 1:		ONE FEDERAL STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		617-535-4781

	MAIL ADDRESS:	
		STREET 1:		ONE FEDERAL STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IRON MOUNTAIN INC/PA
		DATE OF NAME CHANGE:	20000201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PIERCE LEAHY CORP
		DATE OF NAME CHANGE:	19960807
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>tm2124504d1_s8.htm
<DESCRIPTION>FORM S-8
<TEXT>
Document 1 - file: tm2124504d1_s8.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>tm2124504d1_ex5-1.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 2 - file: tm2124504d1_ex5-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>3
<FILENAME>tm2124504d1_ex23-2.htm
<DESCRIPTION>EXHIBIT 23.2
<TEXT>
Document 3 - file: tm2124504d1_ex23-2.htm

</DOCUMENT>
</SEC-DOCUMENT>