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CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the use in this Registration Statement on Form S-1 of our report dated March 19, 2007, relating to the consolidated financial statements of Great Lakes Dredge & Dock Corporation (formerly GLDD Acquisitions Corp.), appearing in the Prospectus, which is a part of such Registration Statement, and to the reference to us under the heading "Experts" in such Prospectus.
/s/ Deloitte & Touche LLP
Chicago, Illinois
June 19, 2007
Exhibit 23.2
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM