The Rubicon Keys are two small islands north of the upper

Florida Keys The Florida Keys are a coral island, coral cay archipelago off the southern coast of Florida, forming the southernmost part of the continental United States. They begin at the southeastern coast of the Florida peninsula, about south of Miami a ...

Biscayne National Park Biscayne National Park is a national park of the United States located south of Miami, Florida, in Miami-Dade County. The park preserves Biscayne Bay and its offshore barrier reefs. Ninety-five percent of the park is water, and the shore of th ...

. They are in

Miami-Dade County, Florida Miami-Dade County () is a County (United States), county located in the southeastern part of the U.S. state of Florida. The county had a population of 2,701,767 as of the 2020 United States census, 2020 census, making it the most populous coun ...

. They are located in southern

Biscayne Bay Biscayne Bay is a lagoon with characteristics of an estuary located on the Atlantic coast of South Florida. The northern end of the lagoon is surrounded by the densely developed heart of the Miami metropolitan area while the southern end is large ...

, just north of

Old Rhodes Key Old Rhodes Key is an island north of the upper Florida Keys in Biscayne National Park. It is in Miami-Dade County, Florida. It is located just north of Broad Creek in the lower part of Biscayne Bay Biscayne Bay is a lagoon with characteristi ...

and

Totten Key Totten Key is an island of the upper Florida Keys in Biscayne National Park. It is in Miami-Dade County, Florida. It is located in southern Biscayne Bay, just west of Old Rhodes Key. History It was probably named for General Joseph Totten who ...

, and just east of the southern tip of

Elliott Key Elliott Key is the northernmost of the true Florida Keys (those 'keys' which are ancient coral reefs lifted above the present sea level), and the largest key north of Key Largo. It is located entirely within Biscayne National Park, in Miami-Dade ...

. They are on the south side of Caesar Creek, the creek that separates Elliott and Old Rhodes Keys.

History

These keys were named by early U.S. Coast & Geodetic Survey crews after the story of Julius Caesar

crossing the Rubicon The phrase "crossing the Rubicon" is an idiom that means "passing a point of no return". Its meaning comes from allusion to the crossing of the river Rubicon from the north by Julius Caesar in early January 49 BC. The exact date is unknown ...

River in Italy. The Bache Coast Survey of 1861 so names these keys. So named on U.S. Coast & Geodetic Survey chart #1249 (1937).

References

Islands of the Florida Keys Uninhabited islands of Miami-Dade County, Florida Biscayne National Park Islands of Florida {{monroeCountyFL-geo-stub