There are currently 1 homes for sale in Sienna of Grand Oaks Plantation in Charleston SC. Real estate property listings have an average sales price of $450,000, ranging in price from $450,000 to $450,000. The average sq ft home is approximately 1,687 square feet for a house in Sienna section of Grand Oaks Plantation. The largest property for sale is 1,687 sqft and the smallest 1,687 sqft. View property listings for sale by price, street, subdivision, age, property type, location, features, size, listing date, and time on MLS with an average of one hundred twenty-six days on the market.