Key Colony Beach, Florida

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Key Colony Beach, Florida
Aerial view of Key Colony Beach, October 1987
Aerial view of Key Colony Beach, October 1987
Location in Monroe County and the state of Florida
Location in Monroe County and the state of Florida
U.S. Census Bureau map showing city limits
U.S. Census Bureau map showing city limits
Coordinates: 24°43′28″N 81°1′5″W / 24.72444°N 81.01806°W / 24.72444; -81.01806Coordinates: 24°43′28″N 81°1′5″W / 24.72444°N 81.01806°W / 24.72444; -81.01806
Country United States
State Florida
County Monroe
 • TypeCommission-Manager
 • MayorRon Sutton
 • Vice MayorPatricia Trefry
 • CommissionersKathryn McCullough, Thomas Harding, John DeNeale
 • AdministratorDavid Turner
 • Chief of PoliceKris DiGiovanni
 • Total0.65 sq mi (1.69 km2)
 • Land0.44 sq mi (1.14 km2)
 • Water0.21 sq mi (0.55 km2)
3 ft (1 m)
 • Total797
 • Estimate 
 • Density1,825.00/sq mi (704.62/km2)
Time zoneUTC-5 (Eastern (EST))
 • Summer (DST)UTC-4 (EDT)
ZIP code
Area code(s)305
FIPS code12-36325[3]
GNIS feature ID0285076[4]
WebsiteOfficial website

Key Colony Beach is a municipality in the middle of the Florida Keys, Monroe County, Florida, United States. The population was 797 at the 2010 census. As of 2018, the population estimated by the U.S. Census Bureau was 814.[5]


Key Colony Beach is located at 24°43′28″N 81°1′5″W / 24.72444°N 81.01806°W / 24.72444; -81.01806 (24.724515, -81.017928).[6] Most of the city is located on an island formerly known as Shelter Key; a small part of the city is on Fat Deer Key, where the Sadowski Causeway (also 131st St Ocean on the Marathon street grid), which is the only road entering the city, connects to U.S. 1 (the Overseas Highway).

According to the United States Census Bureau, the city has a total area of 0.7 square miles (1.8 km2), of which 0.5 square miles (1.3 km2) is land and 0.2 square miles (0.52 km2) (23.88%) is water.


Historical population
Census Pop.
2019 (est.)803[2]0.8%
U.S. Decennial Census[7]

As of the census[3] of 2000, there were 788 people, 422 households, and 253 families residing in the city. The population density was 1,549.8 inhabitants per square mile (596.6/km2). There were 1,293 housing units at an average density of 2,543.0 per square mile (978.9/km2). The racial makeup of the city was 99.11% White, 0.51% African American, and 0.38% from two or more races. Hispanic or Latino of any race were 4.44% of the population.

There were 422 households, out of which 8.3% had children under the age of 18 living with them, 55.9% were married couples living together, 3.1% had a female householder with no husband present, and 40.0% were non-families. 31.3% of all households were made up of individuals, and 16.4% had someone living alone who was 65 years of age or older. The average household size was 1.87 and the average family size was 2.25.

In the city, the population was spread out, with 7.6% under the age of 18, 3.6% from 18 to 24, 14.3% from 25 to 44, 36.8% from 45 to 64, and 37.7% who were 65 years of age or older. The median age was 58 years. For every 100 females, there were 99.5 males. For every 100 females age 18 and over, there were 96.8 males.

The median income for a household in the city was $45,577, and the median income for a family was $53,750. Males had a median income of $28,654 versus $27,143 for females. The per capita income for the city was $40,631. About 3.9% of families and 7.4% of the population were below the poverty line, including 10.2% of those under age 18 and 3.9% of those age 65 or over.


Before the early 1950s, Shelter Key (on which most of Key Colony Beach is located) was a 97-acre (39-hectare) low-lying island. Then, Phil Sadowski began dredging around the island, adding to its size and increasing its height to 6 feet (1.8 m) above mean sea level, and later built developments on the island.

Around 1956–1957, residents of nearby Marathon began discussing incorporating the entire area. Sadowski was not keen on having his development swallowed up into Marathon, so he began the process of incorporating the island into its own city. The Florida Legislature passed legislation in June 1957 allowing incorporation, which local residents passed unanimously in September, thus creating today's Key Colony Beach.

Incorporation became a blessing in 1960, when much of the city was destroyed by Hurricane Donna. As a separately incorporated city, Key Colony Beach received its own federal grant to rebuild; nearby Marathon (not yet incorporated) had to settle for a portion of the grant given to Monroe County. However, the storm (and then the takeover of Cuba by Fidel Castro) depressed real estate prices, and it took several years to for prices to stabilize.[8]

Geographical layout[edit]

Key Colony Beach is reached over the Sadowski Causeway, which connects Key Colony Beach to Marathon, on the east side of the city. It lies directly south of the City of Marathon, spanning a narrow cut.

Along the causeway are some charter fishing boats and a dockside restaurant called Sparky's Landing. At the base of the causeway, West Ocean Drive branches off first to the right and East Ocean Drive soon after branches to the left. On West Ocean Drive is the police station, along with the post office and town hall. In the same vicinity is a small park with a fountain and a gazebo. The entire ocean-facing side of West Ocean Drive is lined by various condominium complexes, while the side facing Marathon houses the Key Colony Inn and a par 3 golf course. Starting at the far end of East Ocean Drive, streets are numbered one to fifteen east to west, and run from south to north toward Shelter Bay. The most notable buildings along East Ocean Drive are the Key Colony Beach Motel and the Key Colony Beach Club. At the tip of West Ocean Drive is Sunset Park, the place closest to where a woman was fatally struck by a spotted eagle ray. Many news reports were recorded from this park overlooking the shallows where the Vaca Cut meets the Atlantic Ocean.

Notable person[edit]


  1. ^ "2019 U.S. Gazetteer Files". United States Census Bureau. Retrieved July 2, 2020.
  2. ^ a b "Population and Housing Unit Estimates". United States Census Bureau. May 24, 2020. Retrieved May 27, 2020.
  3. ^ a b "U.S. Census website". United States Census Bureau. Retrieved 2008-01-31.
  4. ^ "US Board on Geographic Names". United States Geological Survey. 2007-10-25. Retrieved 2008-01-31.
  5. ^ "Population and Housing Unit Estimates". Retrieved February 29, 2020.
  6. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
  7. ^ "Census of Population and Housing". Retrieved June 4, 2015.
  8. ^ Historical Notes on Key Colony Beach
  9. ^ Professor of hitting

External links[edit]