James Island SC Real Estate Under $300,000James Island SC Real Estate Under (below) $300,000. Charleston SC properties for sale on James Island below $300000. This price point is very hard to find anything most would consider “nice”, and assuredly you’re quick to find out any real estate in the price range in Charleston SC on James Island or Mt Pleasant is going to be a condo. MLS Listings DataTotal Listings:18Average Price:$273,483Highest Listing Price:$300,000Average Days On Market:53 RelativeSort by Year Built: low to highSort by Year Built: high to lowSort by price: low to highSort by price: high to lowSort from oldest to newestSort from newest to oldestSort by status: active to under contractSort by status: under contract to active Filters Saving Subscribe Unsubscribe Loading...