by Tammy Hauser, Discover Sarasota Tours Explore Sarasota, Florida with a Discover Sarasota Tours (DST) City Sightseeing Tour. Tours are offered several times a day in an air-conditioned enclosed trolley or van. DST operates fifteen unique tours of Sarasota’s most interesting people, places, and stories. This entertaining and informative 90-min tour starts in Historic Gillespie …