Lettuce Lake Park is a 240-acre Hillsborough County-run park just outside the city limits of Tampa, Florida. It is located on Fletcher Avenue between Interstate 75 and the University of South Florida. The Hillsborough River runs through it. The park opened in 1982. Lettuce Lake Park features several boardwalks that wind through a variety Florida ecosystems; a fresh water wetland and flood plain, an oak-dominated hardwood forest, cypress domes, and the Hillsborough River.