The sun sets behind the Seven Mile Bridge

The sun sets behind the Seven Mile Bridge in Marathon, Florida in the Florida Keys February 19, 2011. (Photo credit: KAREN BLEIER/AFP/Getty Images)

Key West, Florida

Tourists look out over Key West, Florida from the top of the Key West lighthouse February 21, 2011. (Photo credit: KAREN BLEIER/AFP/Getty Images)

Ibis In the Florida Keys

An Ibis is silhouetted as the sun sets in Marathon, Florida in the Florida Keys February 20, 2011. (Photo credit: KAREN BLEIER/AFP/Getty Images)

The Florida Keys

The sun sinks over the Gulf of Mexico seen from Key West, Florida February 21, 2011. (Photo credit: KAREN BLEIER/AFP/Getty Images)

Florida Keys

An Ibis looking for fish in Marathon, Florida in the Florida Keys February 20, 2011. (Photo credit: KAREN BLEIER/AFP/Getty Images)

Florida Keys

The sun sets behind the old railway bridge in the Bahia Honda State Park in Bahia Honda Key, Florida February 25, 2011. (Photo credit: KAREN BLEIER/AFP/Getty Images)

The Florida Keys

The sun sets behind the old railway bridge in the Bahia Honda State Park in Bahia Honda Key, Florida February 25, 2011. (Photo credit: KAREN BLEIER/AFP/Getty Images)

Florida Keys

A pair of Burrowing Owls guard their nest in Marathon in the Florida Keys February 25, 2011. (Photo credit: KAREN BLEIER/AFP/Getty Images)

Florida Keys

Tourists watch the sun set from a dock in Islamorada, in the Florida Keys February 24, 2011. (Photo credit: KAREN BLEIER/AFP/Getty Images)

Florida Keys

An Ibis stands at the edge of the water in the Bahia Honda State Park in Bahia Honda Key, Florida February 25, 2011. (Photo credit: KAREN BLEIER/AFP/Getty Images)

Florida Keys

An Iguana sits in the sun in the Florida Keys at Marathon February 24, 2011. (Photo credit: KAREN BLEIER/AFP/Getty Images)

The Seven Mile Bridge and Pigeon Key in The Florida Keys

The Seven Mile Bridge and Pigeon Key are seen from the air looking south from Marathon, Florida February 22, 2011. The Seven Mile Bridge connects Knight's Key (part of the city of Marathon, Florida) in the Middle Keys to Little Duck Key in the Lower Keys. Among the longest bridges in existence when it was built, it is one of the many bridges on US 1 in the Keys, where the road is called the Overseas Highway. (Photo credit: KAREN BLEIER/AFP/Getty Images)

The Seven Mile Bridge in The Florida Keys

The Seven Mile Bridge looking north towards Marathon, Florida February 22, 2011. The Seven Mile Bridge connects Knight's Key (part of the city of Marathon, Florida) in the Middle Keys to Little Duck Key in the Lower Keys. Among the longest bridges in existence when it was built, it is one of the many bridges on US 1 in the Keys, where the road is called the Overseas Highway. (Photo credit: KAREN BLEIER/AFP/Getty Images)

Florida Keys

A boat transporting tourists to Sunset Key leaves the port in Key West, Florida February 21, 2011. (Photo credit: KAREN BLEIER/AFP/Getty Images)

Florida Keys

An Ibis is silhouetted as the sun sets in Marathon, Florida in the Florida Keys February 20, 2011. (Photo credit: KAREN BLEIER/AFP/Getty Images)

Florida Keys

The sun sets in Marathon, Florida in the Florida Keys February 19, 2011. (Photo credit: KAREN BLEIER/AFP/Getty Images)

Florida Keys

A dolphin, that was named Louie at the Dolphin Research Center swims in a pen in Marathon, Florida. The dolphin was found on September 2, 2010 washed up on Port Fourchon beach in Louisiana with oil on its skin from the Gulf oil spill and will now be cared for and raised at the marine mammal education and research facility in the Florida Keys. Louie arrived at the Dolphin Research Center after being brought back to health at the New Orleans' Audubon Nature Institute. (Photo by Joe Raedle/Getty Images)

Florida Keys

The sun sets out over the Gulf of Mexico November 29, 2009 as seen from Key West, Florida. (Photo credit: KAREN BLEIER/AFP/Getty Images)

Florida Keys

A Barn Owl at the Florida Keys Wild Bird Rehabilitation Center in Tavernier, Florida. The center cares for sick and injured birds. (Photo by Joe Raedle/Getty Images)

Florida Keys

An Egret at the Florida Keys Wild Bird Rehabilitation Center in Tavernier, Florida. The center cares for sick and injured birds. (Photo by Joe Raedle/Getty Images)

Florida Keys

A Horned Owl at the Florida Keys Wild Bird Rehabilitation Center in Tavernier, Florida. The center cares for sick and injured birds. (Photo by Joe Raedle/Getty Images)

Florida Keys

A pelican at the Florida Keys Wild Bird Rehabilitation Center in Tavernier, Florida. The center cares for sick and injured birds. (Photo by Joe Raedle/Getty Images)

Florida Keys

Tourists walk past shops near the harbor as the Sun sets November 29, 2009 in Key West, Florida. (Photo credit: KAREN BLEIER/AFP/Getty Images)

Florida Keys

The sun sets out over the Gulf of Mexico November 29, 2009 as seen from Key West, Florida. (Photo credit: KAREN BLEIER/AFP/Getty Images)

Florida Keys

This photo shows the marker at the southernmost point in the continental US in Key West Florida.The marker is 90 miles from Cuba. (Photo credit: KAREN BLEIER/AFP/Getty Images)

Florida Keys

Tourists take a sunset sail in Key West, Florida. (Photo credit: KAREN BLEIER/AFP/Getty Images)

Florida Keys

The Key West Light House and Keeper's Quarters Museum in Key West Florida. The tower was originally 46 feet high and powered by 15 oil lamps with 15-inch reflectors, but was extended to 86 feet in 1894. Inside visitors now climb 88 iron steps to the observation deck that affords spectacular views. (Photo credit: KAREN BLEIER/AFP/Getty Images)

Keys Overseas Highway

In this photo released by the Florida Keys News Bureau, vehicular traffic rolls on the Florida Keys Overseas Highway in Key Largo, Fla. The Keys thoroughfare, with 42 bridges over water has been named an All-American Road designation. (AP Photo/Florida Keys News Bureau, Andy Newman)

Hoyt S. Vandenberg Artificial Reef Opening In The Florida Keys

In this photo released by the Florida Keys News Bureau, divers explore the superstructure of the Gen. Hoyt S. Vandenberg artificial reef in the Florida Keys National Marine Sanctuary off Key West, Fla. The Vandenberg's hull rests on the sandy bottom in about 145 feet of water, but the 523-foot-long former U.S. Air Force missile tracking ship is so massive that its superstructure begins just 45 feet below the sea surface. (AP Photo/Florida Keys News Bureau, Haig Jacobs)