Land for sale Charleston SC James Island. A lot of people just want to live in a brand new house and that’s where buying a lot to build on comes in. Or you could always buy a new construction home, which in most cases is much easier. Home sites have a few things that one must consider before buying and planning for building your new house. Although called James Island, James Island is still Charleston SC. If you want to own your own new home and don’t want to buy a new construction home from a spec builder and prefer to do it yourself you’ll find ALL the lots and land for sale on James Island here. Although there are many great homes for sale in James Island, and Charleston SC, it is understandable why people would want to builder their own.