What is Incredible Agents? Incredible Agents is a real estate agent search engine that helps you find a Sullivan's Island Realtor. Sullivan's Island Realtors are ranked by what and how many homes they have sold in the Sullivan's Island area. There are also reviews by Sullivan's Island residents who have previously bought or sold real estate with Sullivan's Island Realtors. You can refine your search of Realtors in Sullivan's Island by the average price or bedrooms of homes Sullivan's Island real estate agents deal with or their last name. Whether you say Sullivan's Island REALTOR ®, "Sullivan's Island Realator" or "Sullivan's Island Realter", Sullivan's Island realitor, "Sullivan's Island realety" or "Sullivan's Island reality", or "Sullivan's Island realestate agents", Incredible Agents can help.