Locally known as 66th Street, Pasadena Avenue, and A19A

State Road A19A (Florida)

State Road A19A is a loop in the St. Petersburg, Florida, area that currently consists of the entirety of the north–south SR 693 , a stretch of SR 699 in and near St. Pete Beach, and the entirety of SR 682...

, State Road 693 is a 12-mile-long north–south street serving southern Pinellas County, Florida

Pinellas County, Florida

Pinellas County is a county located in the state of Florida. Its county seat is Clearwater, Florida, and its largest city is St. Petersburg. This county is contained entirely within the telephone area code 727, except for some sections of Oldsmar, which have the area code 813...

. The southern terminus is an intersection with Blind Pass Road and Gulf Way (SR 699

State Road 699 (Florida)

Locally known as Gulf Boulevard and Blind Pass Road, State Road 699 is a 15-mile-long road running the length of the Pinellas County barrier islands in the Gulf of Mexico and serving the popular beaches near St. Petersburg, Clearwater, and Largo. The southern terminus of SR 699 is at the extreme...

) in St. Pete Beach

St. Pete Beach, Florida

St. Pete Beach is a coastal city in Pinellas County, Florida, United States famous for its status as a tourist destination. St. Pete Beach was formed from the Towns of Pass-a-Grille, Don CeSar, Belle Vista, St. Petersburg Beach and unincorporated Pinellas County. At the time of its incorporation...

, near the southern end of the Corey Causeway; the northern terminus is an intersection with US 19 (SR 55) just outside the Largo

Largo, Florida

Largo is the third largest city in Pinellas County, Florida, USA and is part of the Tampa Bay Area. Centrally located, it is the crossroads of the county. As of the 2000 census, the City had a total population of 69,371. As of 2004, the population estimated by the U.S. Census Bureau was...

 city limits (US 19-SR 55 continues northward on 66th Street).

In addition to the cities at the termini, SR 693 passes through (from south to north) South Pasadena

South Pasadena, Florida

South Pasadena is a city located in southern Pinellas County, Florida, near St. Petersburg. The population was 5,778 at the 2000 census. As of 2004, the population estimated by the U.S. Census Bureau is 5,745 .-Geography:...

, St. Petersburg, Kenneth City

Kenneth City, Florida

Kenneth City is a town located in southern Pinellas County, Florida, between St. Petersburg and Pinellas Park, in the United States. Kenneth City was founded in 1957 by Sidney Colen, a local developer, who named the city after his son Kenneth Colen. The population was 4,400 at the 2000 census. As...

, and Pinellas Park

Pinellas Park, Florida

Pinellas Park is a city located in central Pinellas County, Florida. The population was 45,658 at the 2000 census. As of 2004, the population estimated by the U.S. Census Bureau is 47,166 . The city was founded by Philadelphia publisher, F. A...

.

While the A19A designation is better known, 66th Street had the SR 693 signage long before the opening of the Pinellas Bayway

Pinellas Bayway

The Pinellas Bayway System is a series of bridges on two Florida State Roads in Pinellas County, Florida. It is a toll road complex maintained and operated by the Florida Department of Transportation. It also is compatible with the SunPass ETC system currently in used on all other FDOT-owned toll...

 on December 21, 1962: on this date the loop of SR 693, SR 699, and the Bayway between Alternate US 19 (SR 595) and US 19 near the Sunshine Skyway received A19A signage to be placed beside or above their older Florida State Roads

Florida Department of Transportation

The Florida Department of Transportation is a decentralized agency charged with the establishment, maintenance, and regulation of public transportation in the state of Florida. The department was formed in 1969. It absorbed the powers of the Florida State Road Department...

 designations. In the 1980s, the A19A signs were removed from the loop (the east–west Pinellas Bayway then had its initial A19A signs replaced with State Road 682 signage by the successor to Florida State Roads, the Florida Department of Transportation).

State Road 693 is a major commercial and commuter

Commuting

Commuting is regular travel between one's place of residence and place of work or full time study. It sometimes refers to any regular or often repeated traveling between locations when not work related.- History :...

 highway that, via the Corey Causeway and the nearby Treasure Island Causeway

Treasure Island Causeway

Treasure Island Causeway, part of County Road 150, is a series of three bridges crossing Boca Ciega Bay between Treasure Island and St. Petersburg in Pinellas County, Florida...

, connects the highly popular barrier islands along the Gulf of Mexico

Gulf of Mexico

The Gulf of Mexico is a partially landlocked ocean basin largely surrounded by the North American continent and the island of Cuba. It is bounded on the northeast, north and northwest by the Gulf Coast of the United States, on the southwest and south by Mexico, and on the southeast by Cuba. In...

. The northern end of SR 693 features the campuses of Florida Beacon College and Florida Beacon Bible College; the segment in Pinellas Park features commercial campgrounds, a frequent sight along cross street SR 688

State Road 688 (Florida)

State Road 688 is an east–west route in Pinellas County running from Indian Rocks Beach to northeastern St. Petersburg, Florida, where it merges onto Interstate 275.The highway changes its name as it heads east across Pinellas County...

just north of the city.