 In 1885 the American Medical Society declared the Pinellas peninsula the "healthiest spot on earth", which helped spur the growth of the tourist industry.Anchored by the urban markets of Clearwater and St. Petersburg, Pinellas has the second largest base of manufacturing employment in Florida.Pinellas has diverse, yet symbiotic, industry clusters, including aviation/aerospace, defense/national security, medical technologies, business and financial services, and information technology.