Tierra Verde is a census-designated place (CDP) in Pinellas County, Florida, United States. As of the 2020 census, Tierra Verde had a population of 3,836. The community is located on an island near the entrance of Tampa Bay, and is connected by the bridges of the Pinellas Bayway to both St. Petersburg and St. Pete Beach. At the southern end of Tierra Verde is Fort De Soto, a county park.