Place type Dune Lake Oyster Lake Oyster Lake is in the Dune Allen Community on the west end of Scenic 30A and takes its name from the oyster-shell shape of its shores.There is a pedestrian bridge over the lake. Approx 22 acres. Photo Gallery Map of this Location At a Glance More Coastal Dune Lakes Western Lake Alligator Lake Campbell Lake Big Redfish lake Draper Lake Morris Lake