Many places offer free WiFi and physical distancing.
The college campus has WiFi and you may be allowed to access it from parking lots. Check Chesapeake's COVID-19 web page to make sure you are allowed on campus and where you should park for the strongest signals.
Even if the Shore Public Libraries in the area are closed, their free WiFi is available 24/7 from all but one library location via their parking lots. The Cambridge Library turns the WiFi off daily from 9pm to 5am.
The Shore Public Libraries include:
Caroline County Public Library
Dorchester County Public Library
Kent County Public Library
Queen Anne County Library
Talbot County Free Library