Houses For Sale Marrington Villas at Cobblestone subdivision Summerville SC. MLS real estate listings for sale in Marrington Villas at Cobblestone Summerville SC by price, street, age, list date, bedrooms & more Marrington Villas at Cobblestone Summerville SC. Currently, Marrington Villas at Cobblestone in Summerville SC has a total of two listings on the local MLS for sale with an average price point of $414,950, the max being