Marine construction continues to play a critical role in maintaining New York’s ports, protecting coastal communities, and supporting economic activity along the state’s extensive waterfront. From large-scale resiliency initiatives in New York City to routine dredging projects on Long Island, several marine construction efforts are currently underway or planned throughout the state. Each of these projects reflects the growing need for shoreline protection, navigation maintenance, and modernization of maritime infrastructure.

Seaport Coastal Resilience Project – Lower Manhattan

One of the most significant marine construction initiatives currently planned in New York City is the Seaport Coastal Resilience Project. Led by the New York City Economic Development Corporation, this project is designed to protect portions of Lower Manhattan from coastal flooding and storm surge along the East River waterfront. The project includes construction of flood barriers, raised waterfront structures, and shoreline improvements that integrate flood protection with public waterfront access. The estimated cost of the project is approximately $228 million, and construction is expected to begin in the mid-2020s as part of a broader coastal resiliency strategy for Lower Manhattan.

Battery Park City Resiliency Project

Another major marine infrastructure initiative is the North and West Battery Park City Resiliency Project. This large-scale coastal protection effort is expected to cost more than $1.6 billion and will include construction of floodwalls, deployable flood barriers, shoreline stabilization structures, and improvements to the Battery Park City Esplanade. In addition to flood protection, the project is intended to modernize waterfront infrastructure and improve public access to the Hudson River shoreline. The project is part of New York City’s long-term resiliency planning in response to increased flooding risks following Hurricane Sandy.

Brooklyn Marine Terminal Modernization

Investment in port infrastructure has also led to marine construction activity at the Brooklyn Marine Terminal. The New York City Economic Development Corporation announced an $18 million infrastructure upgrade program aimed at improving operational capacity at the terminal. The work includes structural improvements to maritime facilities, modernization of waterfront infrastructure, and preparation for future expansion. Longer-term plans envision a much larger redevelopment of the Brooklyn Marine Terminal, potentially transforming it into a multibillion-dollar modern maritime hub focused on sustainable port operations and economic development.

Arthur Kill Federal Navigation Channel Dredging

Maintenance dredging remains a core component of marine construction activity in New York Harbor. The U.S. Army Corps of Engineers has proposed dredging approximately 150,000 cubic yards of sediment from the Arthur Kill 35-foot reach of the New York and New Jersey Federal Navigation Project. Sediment accumulation in navigation channels can reduce water depth and create hazards for commercial shipping vessels. Periodic dredging is therefore necessary to maintain safe navigation conditions for the busy port complex serving New York and New Jersey.

Long Island Channel Dredging Projects

Multiple dredging operations have also been scheduled throughout Long Island waterways, including the East Rockaway Channel, Hog Island Channel, and Reynolds Channel. These projects are designed to maintain navigable depths for both commercial vessels and recreational boating traffic. Dredging in these channels typically involves mechanical dredges, barges, and support vessels operating for extended periods to remove sediment buildup. Maintaining these channels is essential for marina access, local fishing fleets, and coastal transportation.

Mattituck Inlet Dredging

Another localized marine construction effort involves the planned dredging of Mattituck Inlet on Long Island’s North Fork. The dredging project is expected to deepen the inlet to improve vessel access to Long Island Sound and reduce navigation hazards caused by sediment buildup. Although smaller than harbor dredging projects, inlet maintenance work is important for supporting local tourism, recreational boating, and the commercial fishing industry in coastal communities.

Marine construction in New York State encompasses a wide range of projects, from large-scale coastal protection systems in New York City to routine dredging operations that maintain navigable waterways across Long Island and New York Harbor. As climate resilience planning continues to shape waterfront infrastructure and maritime commerce remains vital to the regional economy, marine construction activity is expected to expand further in the coming years. Developers, contractors, and municipalities involved in these projects must also navigate complex permitting requirements, environmental regulations, and contractual considerations unique to marine construction projects.

References

New York City Economic Development Corporation. Seaport Coastal Resilience Project Overview.

Battery Park City Authority. North/West Battery Park City Resiliency Project.

U.S. Army Corps of Engineers, New York District. Arthur Kill Federal Navigation Channel Maintenance Dredging.

New York City Economic Development Corporation. Brooklyn Marine Terminal Infrastructure Investments.

U.S. Coast Guard Local Notice to Mariners – Marine Construction and Dredging Activities in New York Waters.

Strong’s Marine. Mattituck Inlet Dredging Update.

 

John Caravella Esq., is a construction attorney and formerly practicing project architect at The Law Office of John Caravella, P.C., representing architects, engineers, contractors, subcontractors, and owners in all phases of contract preparation, litigation, and arbitration across New York and Florida. He also serves as an arbitrator to the American Arbitration Association Construction Industry Panel. Mr. Caravella can be reached by email: John@LIConstructionLaw.com or (631) 608-1346.