Houses For Sale Osceola Oaks subdivision Mount Pleasant SC. MLS real estate listings for sale in Osceola Oaks Mount Pleasant SC by price, street, age, list date, bedrooms & more Osceola Oaks Mount Pleasant SC. Currently, Osceola Oaks in Mount Pleasant SC has a total of two listings on the local MLS for sale with an average price point of $1,400,000, the max being