South Pasadena is a city in southern Pinellas County, Florida, United States, near St. Pete Beach and Gulfport.

[6] The city is located on a peninsula jutting into Boca Ciega Bay, bordered by Bear Creek to the east and St. Petersburg's Pasadena neighborhood to the north.

The City of South Pasadena has a humid subtropical climate (Cfa).

As of the 2020 United States census, there were 5,353 people, 2,888 households, and 966 families residing in the city.

[5] As of 2020, South Pasadena had the densest city in Pinellas County and the Tampa Bay area, due to its preponderance of large apartment buildings.

[5] As of the 2010 United States census, there were 4,964 people, 3,304 households, and 1,047 families residing in the city.

Legislative authority is divided among five commissioners, and one is appointed mayor every four years.

Additionally, a private K-12 boarding school, Admiral Farragut, operates nearby.