architect cass gilbert designed belle isle's "james scott memorial fountain", completed in 1925. gilbert's other works include the united states supreme court building in washington, dc. william livingstone memorial light, the only marble lighthouse in the united states, is located on the east end of the island, and features sumptuous materials and architecture. it was named for the president of the lakes carriers association, who advocated safety and navigational improvements in great lakes shipping. additional recreational options include a nature center, wheelchair accessible nature trail, fishing piers, playgrounds, picnic shelters, and handball, tennis and basketball courts, baseball fields, and cricket pitch.