Clearwater Beach includes a resort area and a residential area on a barrier island in the Gulf of Mexico in Pinellas County on the west-central coast of Florida, United States. Located just west over the Intracoastal Waterway by way of the Clearwater Memorial Causeway from the rest of the city of Clearwater, Florida, of which it is part, Clearwater Beach is at a geographic latitude of 27.57 N and longitude 82.48 W.

Pinellas County is a county located on the west central coast of the U.S. state of Florida. As of the 2020 census, the population was 959,107, which makes it the seventh-most populous county in the state. It is also the most densely populated county in Florida, with 3,491 residents per square mile. The county is part of the Tampa–St. Petersburg–Clearwater Metropolitan Statistical Area. Clearwater is the county seat. St. Petersburg is the largest city in the county, as well as the largest city in Florida that is not a county seat.