If you like being unlike any other. carving your own path and charting your own course, Costa's Seagrove sunglasses were made with you in mind. The Seagrove neighborhood in South Walton, Florida is located near 10,000 year old coastal dune lakes that are both extremely rare and exceptionally breathtaking. These large-sized sunglasses have oval lenses, bio-resin nylon frames and a sleek (yet advanced) rimless design.