Johns Island Condo for Home in nearby Charleston area

i have a 3br condo on Johns Island that i would like to trade for a home suitable for starting a family in the Charleston area. this condo is in an excellent location and is a great rental income opportunity. 10 mins to downtown, 10 mins to Beach, 20 mins to world class golf at Kiawah. most tenants are MUSC Med Students or Retired.