Florida Department of Environmental Protection Florida Department of Environmental Protection
 
* DEP Home * About DEP * Programs * Contact * Site Map * Search
MyFlorida.com  
Quick Facts about the Biscayne Bay Aquatic Preserves Quick Links
  • The bay is unusual because it was not formed by sea level rise at a river's mouth. It is a depression between two different types of limestone.
     
  • Miami Beach, Virginia Key, Key Biscayne, and Key Largo are underlain by coral reef limestone formed by marine life.
     
  • Only a small area west of Key Biscayne is all that remains of Biscayne Bay - Cape Florida to Monroe County Line Aquatic Preserve. The rest has become part of Biscayne National Park where it remains under protection.
     
  • The mainland is composed of oolitic limestone, formed by the physical and chemical conditions within shallow water.
     
  • The bay supports Johnson's seagrass, a threatened species under federal law (the first marine plant to be listed), found only in southeast Florida.
     
  • Submerged habitats also include hardbottom areas of algae and sponges, soft sediments of sand or mud, and seagrasses.
     
  • Florida manatees inhabit the bay and are more often observed in the winter time when they gather in warm water areas during cold fronts.

 

A bottlenose dolphin exhaling

A bottlenose dolphin exhaling

 

Johnson's seagrass

A close-up of Johnson's seagrass

Biscayne Bay Aquatic Preserves

Core Programs

 

Visit Us / Get Involved

 

About Biscayne Bay Aquatic Preserves

Last updated: July 23, 2014

  3900 Commonwealth Boulevard M.S. 235 Tallahassee, Florida 32399 850-245-2094 (phone) / 850-245-2110 (fax)
Contact Us 
DEP Home | About DEP  | Contact Us | Search |  Site Map