Travel Information
Via plane
Charleston International Airport is centrally located in the Charleston metropolitan area in North Charleston. It is situated around 11 miles from the Symposium venue.
Bus from the airport
There is a bus service called CARTA. Here is a link to their information, schedules and rates :
http://www.ridecarta.com/riding-carta/routesmapsschedules/routes-schedules
Select: Route 11 - destination 1 "Meeting & Mary/Visitors Center" for downtown.
From there you would have to take the free trolley service to the Marriott (route 213). The whole process can take quite a while (the trolleys run every 15 minutes), as opposed to a direct trip to the hotel.
Taxi from the airport
Taxis from the airport to the venue, the Marriott Hotel, should cost around 25 USD/trip