The Keys felt Irma's full fury when the storm blew ashore as a Category 4 hurricane on Sunday morning with 209km/h winds.
Downed power lines: There are many power lines down, Bowden said, and the main power pole off the island also went down in the storm.
Irma wreaked havoc over almost the entire Florida peninsula from the southernmost Keys to the Georgia line, from the Atlantic to the Gulf coasts.
"The big wind is done", said Channel 2 meteorologist Karen Minton, who said rains in Atlanta will be tailing off toward noon.
Following a flyover to examine the destruction Irma left behind in the Florida Keys, Republican Governor Rick Scott said while there is "devastation" in the Keys, Florida's west coast was "not as bad".
Gov. Nathan Deal is asking people to stay indoors as Tropical Storm Irma claims lives and damages trees and buildings.
What they found was devastating: An estimated 25% of the houses on the chain of islands have been destroyed, the Federal Emergency Management Agency said Tuesday.
And while Irma was still bringing heavy rain to parts of the region, all tropical storm warnings were canceled by Monday and the storm was expected to weaken significantly before dissipating altogether. Debris and live electrified wires litter the road, Florida Highway Patrol spokesman Joe Sanchez told the Miami Herald.
Throughout Florida, 62 percent of the state was without electrical power, affecting about 13 million people, the state Emergency Operations Center said Monday evening.
Night-time curfews have been imposed in areas such as Miami, where 13 people were arrested on suspicion of looting. On Monday, Cuban state TV announced 10 hurricane related deaths - meaning Irma killed a total of 36 people in the Caribbean before heading to the US. It was one of four hurricanes to hit the Sunshine State that year.
And more than 120 homes were being evacuated early today in Orange County, just outside the city of Orlando, as floodwaters started to pour in. "These crews are working side-by-side with our own linemen to remove damaged trees and limbs and make outage repairs as quickly as safety practices and conditions allow".
Some 166,000 people in Georgia, including more than 17,000 in the city of Savannah, lost power as the outer bands of the storm lashed the state.
Irma is plowing into Georgia and toward other parts of the Deep South - Alabama, Tennessee and the Carolinas. Irma had affected all 35 counties within the company's territory.