• Purple, yellow, gold and orange sponges and soft corals wave against a turquioise sea.


    National Park Florida

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  • Boat Tours, Paddle-craft Rentals and Select Conveniences Temporarily Unavailable

    Glass-bottom, snorkel, diving and island boat tours, and rentals for canoes and other paddle-craft, are temporarily unavailable. The park is working to resolve the issue as soon as possible and regrets the inconvenience. Limited snack items are available.

  • Elliott Key Harbor and Campground Closed Until Further Notice

    Contractors began work to repair damaged boardwalks and marina at Elliott Key and the visitor center grounds. The marina and campground at Elliott Key are closed until the repairs are complete. University Dock on Elliott Key remains open for day use only. More »


Nature and Science

The threatened American crocodile is frequently sighted along Biscayne's shorelines.

The following reptiles have been documented at Biscayne National Park. They are sorted alphabetically by common name. The list is not exhaustive, and documented sightings of species not on this list are welcome. Submit your sightings to the webmaster.

American Alligator, Alligator mississippiensis

American Crocodile, Crocodylus acutus

Black Racer, Coluber constrictor

Black Swamp Snake, Seminatrix pygaea

Brown Anole, Anolis sagrei

Brown Basilisk, Basiliscus vittatus

Burmese python, Python molurus bivittatus

Corn Snake, Elaphe guttata

Cosmopolitan (or Tropical) House Gecko, Hemidactylus mabouia

Dusky Pigmy Rattlesnake, Sistrurus miliarius barbouri

Eastern Diamondback Rattlesnake, Crotalus adamanteus

Eastern Indigo Snake, Drymarchon corais couperi

Everglades Racer, Coluber constrictor paludicola

Everglades Rat Snake, Elaphe obsoleta rossalleni

Florida Box Turtle, Terrapene carolina bauri

Florida Water Snake, Nerodia fasciata pictiventris

Green Anole, Anolis carolinensis

Green Iguana, Iguana iguana

Green Sea Turtle, Chelonia mydas

Ground Skink, Scincella lateralis

Hawksbill Sea Turtle, Eretmochelys imbricata

Kemps Ridley Sea Turtle, Lepidochlys kempii

Leatherback Sea Turtle, Dermochelys coriacea

Loggerhead Sea Turtle, Caretta caretta

Mangrove Salt Marsh Snake, Nerodia clarkii compressicauda

Mangrove Terrapin, Malaclemys terrapin rhizophorarum

Mediterranean Gecko, Hemidactylus turcicus

Mole Skink, Eumeces egregius

Northern Coral Snake, Micrurus fulvius

Reef Gecko, Sphaerodactylus notatus

Ring-necked Snake, Diadophis punctatus

Rough Green Snake, Opheodrys aestivus

Southeastern five-lined Skink, Eumeces inexpectatus

Southern Black Racer, Coluber constrictor priapus

Southern Ring-necked Snake, Diadophis punctatus punctatus

Striped Mud Turtle, Kinosternon baurii

Yellow Rat Snake, Elaphe obsoleta quadrivittata

Did You Know?

sea squirts on a mangrove root

Tunicates, or sea squirts, live on the roots of the red mangrove tree. These simple animals survive by filtering plankton out of seawater, and hold promise as the source of potent drugs used to fight tumors. Watch for them when snorkeling along Biscayne National Park's mangrove-fringed shoreline.