Indian Rocks Beach, or IRB, is a city in Pinellas County, Florida, United States. Indian Rocks Beach is part of the Tampa-St. Petersburg-Clearwater, FL Metropolitan Statistical Area. Located on the barrier island Sand Key, it has over two miles of beach along the Gulf of Mexico, with 26 public beach accesses. Tourism is its primary industry. It was incorporated in 1956. The population was 3,673 at the 2020 census.