Coastal restoration of Scofield Island was part of Louisiana’s berm-to-barrier island program that involved the construction of two and a half miles of beach and marshland that rebuilt and reinforced the barrier island’s existing shoreline. Scofield Island is a 2.4 mile-long barrier island located between Scofield Bayou and the merger of Bay Coquette and the Gulf of Mexico. It is west of the active Mississippi River (Plaquemines-Balize/”Bird’s Foot”) Delta in the Plaquemines Parish, Louisiana.
This project involved the excavation and placement of 80 million cubic meters of material for the construction of the Diyar al Muharraq island system in the Kingdom of Bahrain. The new island system comprises of nearly 3,000 acres and will be used for real estate development. To this day, Diyar al Muharraq is one of the largest projects GLDD has ever completed.
Sand Island now provides a better foundation for its 138-year-old lighthouse. As a result, the lighthouse now has critical protection from environmental elements.

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The Ellis Island

The Ellis Island recently commenced dredging operations on Phase 1 of the MSCIP Comprehensive Barrier Island Restoration Plan in the U. S. Gulf of Mexico offshore of Gulfport Mississippi. With a 15,000 cubic yard capacity Ellis Island is the largest hopper dredge in the U. S..

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Before & After

See the dramatic transformations of some of our largest projects.  Read more


In 2006, GLDD adopted an Incident-and Injury-Free (IIF®) safety management program that has been integrated into all aspects of the company’s culture. The company’s commitment to the IIF® culture promotes a work environment where employee safety is paramount.

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Great Lakes Dredge & Dock (GLDD) is North America’s dredging industry leader, the largest provider of marine dredging, and the only U.S. company with substantial overseas operations. 

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