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Historic dredging in Babitonga Bay supplies the largest beach widening in Brazil, while the coastal replenishment of Itapoá advances to a new stage and takes millions of cubic meters of sand removed from the seabed to the Santa Catarina coastline.
The coastline of Itapoá, in the Northern Coast of Santa Catarina, has moved to a new phase of coastal replenishment with the arrival of works at Figueira do Pontal beach, a section located to the south of the municipality and near the port area.
Linked to the dredging of the external channel of Babitonga Bay, the intervention has already received sand in 7.3 km of the 8.8 km planned, a mark that represents 82% of the planned extension for the widening of the coastal strip.
Beach widening advances in Itapoá
Over the weekend, the new work front was communicated with a notice about the circulation of machines, dredger operation near the coast, and possible changes in the accesses used by residents and visitors during the execution of services.
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To reduce risks and guide circulation in the area, the Figueira do Pontal section should remain signposted while teams work on sediment deposition and the replenishment of the sand strip.
In this stage, the estimate is to apply 1.9 million cubic meters of sand on the beach, a volume intended to expand the coastal strip in one of the final sections of the shoreline recovery project.
Before reaching Figueira do Pontal, the works passed through Pontal do Norte beach, which received the largest volume of sediments, and also through the Princesa do Mar region, at a more northern point.
According to the project plan, the replenishment aims to recover the 1979 coastline, a reference used to guide the widening and reorganize the sand strip along the shore.
Dredging of Babitonga Bay changes port access
The dredging of the external channel of Babitonga Bay seeks to increase the depth of the maritime access used by the region’s ports, a measure considered essential to allow the operation of larger vessels in the port complex.
With the intervention, the channel will increase from 14 meters to 16 meters in depth, a condition that should allow the navigation of ships up to 366 meters in length in the bay’s maritime access.
Today, the port complex receives vessels up to 336 meters, a limit that should be expanded with the deepening of the channel and the completion of the stages planned for the dredging.
In practice, the project should favor the entry of larger cargo ships and enhance the logistical capacity of northern Santa Catarina, a region that concentrates significant operations for maritime cargo transport.
Sand removed from the seabed restores the shoreline
The central point of the project is the reuse of sediments removed during dredging, as part of the sand removed from the seabed is directed to the restoration of Itapoá beach.
Instead of sending all the material to ocean disposal areas, the operation integrates port deepening with shoreline widening, transforming dredging into a source of sediments for coastal recovery.
According to data released for the project, the dredging plans to remove 12.5 million cubic meters of sediments, of which 6.5 million cubic meters will be used in the restoration of the sand strip.
Due to the volume applied to the shoreline, the intervention is considered the largest beach widening ever carried out in Brazil, and is also noted as unprecedented for the use of port dredging sediments on a large scale.
Restinga strengthens the recovery of dunes
In addition to the sand deposit, the project includes measures to stabilize the dunes formed along the shoreline, a necessary step to reduce sediment loss caused by the combined action of wind and sea.
Among the complementary actions is the replanting of restinga vegetation, with an estimated use of 280,000 seedlings in planned areas to help naturally fix the dunes.
This work accompanies the progress of coastal restoration and integrates the environmental measures planned for the recovery of the beach, reinforcing the protection of the sand strip after the sediment deposit.
The works began in October 2025 and are contractually scheduled for completion in September 2026, while the dredging remains associated with the expansion of the operational capacity of the Babitonga Bay port complex.
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