Fish Hawk is an unincorporated area and census-designated place (CDP) in Hillsborough County, Florida, United States. It is a suburb of Tampa, and includes a portion of the community of Lithia. As of the 2020 census, the CDP had a population of 24,625. The place name is derived from Little Fishhawk Creek, a tributary of the Alafia River that joins the Alafia just west of Lithia Springs.

Lithia is an unincorporated community in Hillsborough County, Florida, United States. It is a suburb of Tampa. The ZIP codes are 33547, 33596, and the area code is 813. It is part of the census-designated place (CDP) of Fish Hawk. Lithia is home to the 2,963-acre (1,199 ha) Alafia River Corridor and 5,515-acre (2,232 ha) Chito Branch Reserve.