Homes For Sale Waterway Island – Wild Dunes Real Estate on Isle of Palms, SC. Wild Dunes resort on the Isle of Palms SC is a spectacular place to live and or be an investor and especially if you live on Waterway Island. Waterway Island is a strip of land on the deep water intracoastal waterway that runs all the way up coast of SC. Houses for sale on Waterway Island are understandably some of the most expensive and coveted in the gated golf community. Isle of Palms SC waterfront homes for sale consist of both deep waterfront creeks, as well as the properties on the intercoastal waterway some will include deep water docks with boat lifts.