OSM tag name=Dewees Island matches Dewees Island in these Wikidata fields:
| Barrier islands of South Carolina | boundary=administrative, place=island, place=islet, admin_level |
| Car-free islands of the United States | boundary=administrative, place=island, place=islet, admin_level |
| Islands of Charleston County, South Carolina | boundary=administrative, place=island, place=islet, admin_level |
| Islands of South Carolina | boundary=administrative, place=island, place=islet, admin_level |
| Private islands of the United States | boundary=administrative, place=island, place=islet, admin_level |
| South Carolina Sea Islands | boundary=administrative, place=island, place=islet, admin_level |