Offshore sand has always been the first choice to counter beach erosion. It is inexpensive and does not disrupt reefs or marine life. This is why the Army Corps and the state are hoping that Martin and St. Lucie Counties will come around and free up some of their sand, which could then be dredged and shipped farther south.
The only other option at the moment is buying sand from mines in Central Florida and trucking it in, which is what Broward County is doing for a stretch of its beaches. Doing so is more expensive, reserved for low-volume projects, logistically difficult and largely disliked. ...
A third option is buying sand from countries in the Caribbean, possibly the Bahamas. Under United States law, the Army Corps must show that domestic sand is not available for economic or environmental reasons before it can use foreign sand.
Broward County is exploring the cost of recycling glass to fill small gaps in its beaches — it is more costly than offshore sand, but it is not yet clear by how much. Broward would also have to find a nearby facility to process the glass and complete the final phase of its environmental study. Other states have used recycled glass, but mostly for small projects like golf courses.
I predict that fewer people will be ... this is very tough ... taking their talents to South Beach.