I-4 Florida Follow I-4 W And I-75 S To State Rte 777 In Sarasota County. Take Exit 191 From I-75 S 1 Hr 59 Min (136 Mi) Continue On State Rte 777. Take W River Rd, Winchester Blvd, And Fl-776 To Agate St In Charlotte County 31 Min (19.7 Mi) 8039 Agate St Port Charlotte, Fl 33981