Search our Sullivan’s Island rentals. Located near the entrance of the Charleston Harbor next to Isle of Palms, Sullivan’s Island is just 10 miles from downtown Charleston. This quintessential Lowcountry destination offers wide-open beaches, historic attractions, dining, boutique shopping, and abundant outdoor recreation. Visit Fort Moultrie, the Fort Sumter National Monument, or Sullivan’s Island Lighthouse, or simply spend your time relaxing outdoors.