Posted on November 4, 2026
By Ifthekhar Alvi Nilay
Bangladesh is investing heavily in maritime infrastructure, but sedimentation, climate risks and weak hinterland connectivity could undermine its ambitions. A sustainable port strategy must move beyond construction towards long-term sediment management, logistics integration and scientific planning.
Bangladesh’s next phase of economic growth may depend as much on its waterfront as on its factories. The country is investing heavily in maritime infrastructure, expanding and modernising Chattogram Port, developing the Bay Terminal and Matarbari, strengthening Mongla and confronting questions over the economics of maintaining Payra’s navigable channels.
Together, these projects could reshape Bangladesh’s position in regional trade. But they face a fundamental challenge: Bangladesh is a delta.
Its rivers carry enormous quantities of sediment into the Bay of Bengal. This sediment built the country’s landmass, sustains its delta and continues to reshape its coastline. Yet it also silts navigation channels, alters river mouths and raises the cost of maintaining ports.
This creates a paradox at the heart of Bangladesh’s maritime ambitions. The natural processes that created the country’s geographical advantage can undermine the infrastructure built to exploit it.
The answer is not to fight sediment. It is to understand and manage it.
Ports are economic infrastructure
Ports are not simply places where ships load and unload cargo. They are the physical interface between Bangladesh’s domestic economy and the global trading system. More than 80% of global merchandise trade by volume is transported by sea, making maritime connectivity essential to Bangladesh’s export-oriented manufacturing and import-dependent industrial base.
Cotton, industrial raw materials, machinery, fuel, chemicals and capital goods enter through ports. Finished garments, leather products, pharmaceuticals and other exports leave through the same gateways.
Every delay at a port has consequences beyond its boundaries. A vessel waiting for a berth, a container delayed by congestion or a navigation channel requiring repeated dredging adds to the cost of trade. Those costs eventually reach factories, exporters and consumers.
An efficient port can reduce production costs and improve export competitiveness. An inefficient one can impose an economy-wide tax.
Ports also support shipping, warehousing, trucking, rail transport, customs, freight forwarding, ship repair, insurance, banking and maritime services. The objective should therefore not simply be to build larger ports, but to develop a more efficient maritime economy.
Chattogram cannot carry the entire burden
Chattogram Port remains the indispensable centre of Bangladesh’s maritime trade. According to the World Bank, it handles more than 90% of the country’s international trade volume and around 98% of its container traffic.
That concentration is both an asset and a vulnerability. The port sits within the Karnaphuli estuarine system, where river flow, tides, waves and sediment continuously interact. The Japan International Cooperation Agency has noted water depths of roughly 7.5 to 9.5 metres in the existing port system.
As trade grows and vessels become larger, pressure on Chattogram will increase.
But expanding capacity is not simply a matter of dredging deeper. A channel is not a static hole in the seabed; it is part of a moving sedimentary system. Treating dredging as a recurring emergency rather than a predictable physical process risks increasing expenditure simply to maintain existing access.
Chattogram’s future therefore depends on scientific sediment management as much as on physical expansion.
Bay Terminal: Opportunity with a warning
The Bay Terminal could become one of Bangladesh’s most important infrastructure projects. In 2024, the World Bank approved $650 million in financing for its marine infrastructure, including an approximately six-kilometre climate-resilient breakwater and dredging of the basin, entrance and access channels.
The potential economic gains are substantial. The World Bank estimates that improved port operations could save the Bangladeshi economy around $1 million a day.
Larger ships, shorter waiting times and more efficient cargo handling could strengthen Bangladesh’s competitiveness. But the Bay Terminal also illustrates why the country needs to move beyond conventional infrastructure thinking.
Located within the dynamic Ganges-Brahmaputra-Meghna estuarine environment, the project faces significant geomorphological activity.
The critical question is not whether its entrance channel can be dredged, but whether it can remain economically and environmentally sustainable after dredging.
That requires long-term modelling of sediment transport, tides, currents, waves and coastal morphology. The Bay Terminal should be treated as a living maritime system, not a finished construction project.
Payra’s lesson: Construction is not the real cost
Payra offers a warning against evaluating port projects solely through their construction costs.
The port’s deep-sea ambitions have encountered persistent sedimentation in the Rabnabad Channel. The challenge is not simply to create depth, but to maintain it.
A port can be technically feasible yet economically difficult to operate if its navigation channel requires extensive, recurring dredging. Bangladesh should therefore make lifecycle costing mandatory for major port projects.
Calculations should cover not just construction but 30–50 years of dredging, channel maintenance, breakwater repairs, climate adaptation, equipment replacement and environmental management.
The central question should be: What will it cost to keep a port operational, not merely to build it?
Climate change makes long-term planning unavoidable
Bangladesh’s coastal future will not perfectly resemble its past. Sea-level rise, land subsidence, cyclones, storm surges and changing sediment flows are already part of the risk landscape.
The Intergovernmental Panel on Climate Change has highlighted the vulnerability of the Ganges-Brahmaputra-Meghna delta and the importance of sediment supply to delta sustainability.
Port planning based solely on historical conditions is therefore increasingly inadequate. A port designed for today’s sea level, vessel sizes and sediment patterns must also adapt to tomorrow’s conditions.
Climate resilience should be built into the engineering philosophy from the beginning, rather than added later as a protective layer.
Matarbari: An opportunity to build differently
Matarbari gives Bangladesh an opportunity to approach maritime development from a different starting point.
The Japan International Cooperation Agency’s Matarbari Port Development Project aims to create a multipurpose deep-sea port capable of handling containerised and general cargo while strengthening regional connectivity. A ¥105.3 billion loan agreement for its second phase was signed in 2023.
Its strategic value, however, will depend on more than water depth. A deep-sea port becomes economically meaningful only when cargo can move efficiently beyond the terminal.
Roads, railways, inland waterways, customs, warehouses and industrial zones must work together. A ship arriving at a deep-water berth is only the beginning of the logistics journey. The real test is how quickly and predictably its cargo reaches its destination.
Singapore and Rotterdam: Build an ecosystem
Bangladesh does not need to copy Singapore, but it has much to learn from the way the city-state approaches maritime development.
Tuas Port is planned to reach an annual capacity of 65 million TEUs by the 2040s, with 66 berths extending across approximately 26 kilometres. Automation, digitalisation and intelligent management are central to the project.
Singapore’s maritime success, however, was never simply about building a large port. It developed an ecosystem around shipping, bunkering, ship repair, insurance, finance, maritime services, training and technology.
That is the more relevant lesson for Bangladesh. The country should aim not only to handle cargo but also to capture more of the economic value generated around maritime trade.
Rotterdam offers another lesson. In 2025, the port handled 428.4 million tonnes of cargo and 14.2 million TEUs of container traffic. Its strength, however, is not explained by water depth alone.
The port is integrated with extensive road, rail and inland-waterway networks, industrial clusters and sophisticated logistics systems.
For Bangladesh, the questions should extend beyond channel depth, berth capacity and container handling. How quickly can cargo reach factories? How predictable is customs clearance? How efficiently can containers move by rail? How much does it cost to transport a tonne of cargo from the port to its final destination?
These are the questions that ultimately determine competitiveness.
Bangladesh needs a national sediment strategy
Bangladesh must move from reactive dredging to predictive sediment management.
That begins with a national sediment budget. The country should continuously monitor how much sediment major rivers deliver, where it accumulates, where erosion occurs and how dredged material can be reused safely and economically.
Hydrographic surveys, satellite observations, tide gauges, current measurements, sediment sampling and numerical modelling can be integrated into continuously updated digital models of major ports.
Bangladesh should work towards developing digital twins of its major port environments. Such systems could predict where sediment is likely to accumulate, when navigation channels may become critically shallow and which dredging interventions would offer the greatest long-term benefit.
This would transform dredging from a reactive expense into a predictive management tool.
There is also a broader lesson from modern coastal engineering: resilience does not always mean building more concrete. Mangroves, coastal vegetation, natural sediment deposition and hybrid coastal protection can, where scientifically appropriate, complement conventional engineering.
These approaches cannot replace hard infrastructure everywhere. But they can reduce risk and work with natural processes rather than attempting to suppress them.
One national port system, not five separate projects
Bangladesh needs a long-term National Port and Maritime Logistics Strategy extending towards 2050 and aligned with the Bangladesh Delta Plan 2100.
Chattogram, Bay Terminal, Mongla, Payra and Matarbari should not be developed as disconnected projects. They should become complementary components of one national maritime system.
Different ports can serve different cargoes, vessels, industries and regional markets. Their roles should be defined accordingly.
The system must also connect ports with highways, railways, inland waterways, land ports, industrial zones and border infrastructure. The objective should be seamless movement from ship to factory, warehouse and market.
Human capital is infrastructure, too. Modern ports require hydrographers, marine surveyors, port engineers, naval and marine engineers, environmental specialists, data scientists, logistics planners and maritime managers.
Automation does not make expertise less important. It makes it more important. Bangladesh will need professionals who understand both the physical behaviour of ports and the digital systems increasingly used to manage them.
Investment in maritime education, research and specialised training should therefore be treated as infrastructure investment.
Bangladesh’s port moment
Bangladesh is approaching a decisive moment in its maritime development. It has an opportunity to expand its role in regional trade and strengthen the logistics foundations of its industrial economy.
But success should not be measured by the number of ports built, the amount of concrete poured or the depth achieved immediately after dredging.
The real measure is whether ships can arrive reliably, berth efficiently, load and unload quickly, clear customs predictably and move cargo inland at competitive cost.
Chattogram needs modernisation and capacity expansion. Bay Terminal needs long-term sediment and climate management. Mongla needs stronger navigability and hinterland connectivity. Payra needs realistic lifecycle economics. Matarbari needs integration into a national logistics network.
All of them must be managed as parts of one interconnected maritime economy.
Bangladesh’s geography is often described as a constraint. It can also be an extraordinary economic advantage. The country sits on the Bay of Bengal, between South and Southeast Asia, with access to major regional markets and one of the world’s most important delta systems.
But geography does not automatically become prosperity. It must be transformed into economic advantage through science, infrastructure, institutions and long-term planning.
The next generation of Bangladesh’s port policy should therefore invest not only in concrete, steel and dredgers, but also in data, research, technology and human capital.
The future of Bangladesh’s ports will not ultimately be determined by how effectively the country can control nature. It will be determined by how intelligently it can understand and work with it.
Bangladesh does not need to fight its sediment. It needs to understand it. It does not need to conquer the sea. It needs to understand its rules.
That may be the most important principle for building a maritime economy capable of carrying Bangladesh into its next chapter of growth.
