Florida beaches are important nesting sites for sea turtles and shore birds. A loss of beach habitat to real estate development has caused a decline in the nesting shore bird and sea turtle populations. An outcropping of the Anastasia limestone formation seen along the shoreline at low tide. This exposed rock consists of coquina shells, other sea shells and sand. If you visit the Blowing Rocks Preserve at high tide and the seas are rough, you may see the waves rush through erosion holes in the limestone and shoot high into the air.
Some marine animals attach to the rock and others use it for shelter.
This rock formation serves as a protective barrier to the beach, but it can also increase beach erosion and intensify salt spray. Follow us back through the sea grape tunnel, as we head across the road to the boardwalk . Dune grasses and sea grapes stabilize the dunes at Blowing Rocks Preserve.