The Fred Marquis Pinellas Trail is a rail trail in Pinellas County, Florida. It stretches from Tarpon Springs in the north to St. Petersburg in the south, passing through the towns of Palm Harbor, Dunedin, Belleair, Clearwater, Largo, Seminole, South Pasadena, and Gulfport. It is utilized for walking, jogging, and cycling. Some trail users are able to commute to work using the Pinellas Trail instead of a motor vehicle.