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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 UrYkEFzkc7jrgYE/BwFhvfQ0Zza6hEUa2/N/8NfgG4KXINGGuXYZM0UxlN/VkxLE
 WH+S5mfY74fM4OYg+BSwpw==

<SEC-DOCUMENT>9999999995-08-002807.txt : 20080915
<SEC-HEADER>9999999995-08-002807.hdr.sgml : 20080915
<ACCEPTANCE-DATETIME>20080915001554
ACCESSION NUMBER:		9999999995-08-002807
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20080912
DATE AS OF CHANGE:		20080915
EFFECTIVENESS DATE:		20080912

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Great Lakes Dredge & Dock CORP
		CENTRAL INDEX KEY:			0001372020
		STANDARD INDUSTRIAL CLASSIFICATION:	HEAVY CONSTRUCTION OTHER THAN BUILDING CONST - CONTRACTORS [1600]
		IRS NUMBER:				205336063
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-153207
		FILM NUMBER:		081070517

	BUSINESS ADDRESS:	
		STREET 1:		2122 YORK ROAD
		CITY:			OAK BROOK
		STATE:			IL
		ZIP:			60523
		BUSINESS PHONE:		630-574-3000

	MAIL ADDRESS:	
		STREET 1:		2122 YORK ROAD
		CITY:			OAK BROOK
		STATE:			IL
		ZIP:			60523

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Great Lakes Dredge & Dock Holdings Corp.
		DATE OF NAME CHANGE:	20060808
</SEC-HEADER>
<DOCUMENT>
<TYPE>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2008-09-12</finalEffectivenessDispDate>
        <finalEffectivenessDispTime>17:00:00</finalEffectivenessDispTime>
        <form>S-3</form>
        <filer>
            <cik>0001372020</cik>
            <entityName>Great Lakes Dredge &amp; Dock CORP</entityName>
            <fileNumber>333-153207</fileNumber>
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</TEXT>
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