A seawall would be built to stabilize the shoreline, and a pedestrian boardwalk.
From the charlotteobserver.com
The area is generally everything west of the end of the seawall at 103rd Street.
From the chron.com
Water surged over the seawall in Waikiki but stopped short of the area's hotels.
From the guardian.co.uk
Unable to clear the obstacles and scale the seawall, they suffered heavy losses.
From the en.wikipedia.org
High tides go right up to the seawall next to the private Outrigger Canoe Club.
From the ocregister.com
A highly recommended shoreline fishing spot is the seawall located along the bay.
From the orlandosentinel.com
About a third of a mile along the footpath was the seawall running to Tollesbury.
From the eadt.co.uk
Despite the vulnerability of his location, O'Neill opposes the seawall project.
From the sfgate.com
That had been Simon, one of the two young men who surprised me at the seawall.
From the chron.com
More examples
Breakwater: a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away
A seawall (also written as sea wall) is a form of hard and strong coastal defence constructed on the inland part of a coast to reduce the effects of strong waves.
The seawall in Vancouver, Canada is a stone wall that was constructed around the perimeter of Stanley Park to prevent the erosion of the park's foreshore. ...
A steel and concrete wall built at the back of a beach, usually to protect a high value land area such as a town.
A wall of stone, concrete, or other sturdy material, built along the shoreline to prevent erosion even by the strongest and highest of waves. See also riprap.
A single-faced wall at the edge of a harbour.
(1) A structure built along a portion of a coast primarily to prevent EROSION and other damage by WAVE action. It retains earth against its shoreward face. (2) (SMP) A structure separating land and water areas primarily to prevent EROSION and other damage by WAVE action. ...
A vertical, wall-like coastal-engineering structure built parallel to the beach or duneline and usually located at the back of the beach or the seaward edge of the dune.
A wall of riprap built on the landward side of a backshore zone in order to protect shore cliffs from erosion.