Grande Dunes. This is one of the best lots Riviera has to offer, extremely private with a common area to the right of the property and across the street. This lot offers more road frontage than the other lots in Riviera. Build your dream home in the Prestigious Community of Grande Dunes. Grande Dunes is a gated waterway community that offers privacy, 2 championship golf courses, Marina, ocean front ocean club, workout facility, tennis club, pools and world class club houses. Don't miss out on this opportunity to build in this luxurious neighborhood!