1.If sand is deposited to the area that was lost to erosion, it will be extend the beach into the body of water it is adjacent to.
2. Beachfront properties would be at risk from erosion, if there was no adequate barrier between large bodies of water like oceans.
3. A lot of money had been invested for the beachfront properties by their owners, if they would have wanted to have their building and business not destroyed by hurricanes or sea storms.
4. If these properties will be destroyed by high tides, erosion, or hurricanes, there is nothing to protect them.
5. If sand will be added to the beach without any consideration, the creatures such as plants and animal that exist on the beach can often be destructed.