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South Florida Aquatic Environments

Florida Keys

Boca Chita Key
Boca Chita Key
courtesy South Florida Water Management District

Florida Keys:



Introduction

  • Florida Keys extend southwest off the southern tip of Florida
  • This area includes the only coral reef system off North America
  • The Florida Reef Tract is the third largest in the world
The Florida Keys are a chain of 1,700 islands extending southwest from the southern tip of the Florida pennisula, with the Atlantic Ocean to the south and the Florida Bay and Gulf of Mexico to the north. This island chain is 202 miles (325 km) in length, stretching to within 90 miles (145 km) of Cuba. As the only coral reef system off the North American continent and the third largest barrier reef in the world (behind Australia and Belize), the Florida Reef Tract is located on the Atlantic side of the Florida Keys.

Map of South Florida Including Florida Keys, Florida Bay, and the Everglades
courtesy U.S. Fish and Wildlife Service
Florida Keys Map


Habitats

  • Coral Reef
  • Seagrass
  • Mangroves
Although this area is world reknown for this reef system, other productive marine communities including seagrass meadows and mangrove forests occur within the waters of the Florida Keys. Seagrass meadows are the most abundant habitat within the Keys and when combined with those to the north in the Florida Bay, create the most extensive seagrass bed in the world. These communities form the marine ecosystem upon which the fishery and tourism industries of south Florida are dependent upon.

Reef Fish Attract Tourists to the Florida Keys
© Chuck Savall
Grouper