Documents, correspondence, and ephemera, including Islandia tax records, congressional bill to create the monument, proposals, litigation, letters of support, bumper stickers, pamphlets, and clippings

Letters, notes, newspaper clippings, speeches and photographic prints focus on Wainwright's family and her involvement in environmental policies. Topics include the aborted Jetport planned for Big Cypress Swamp, Everglades and Biscayne national parks, and the Audubon Society. The earlier materials are mostly family papers and predate her arrival in Florida.

Waters's papers comprise correspondence, radio addresses, some photographic prints, newspaper clippings, ledger books and ephemera.

Correspondence, radio addresses, clippings, and publications pertain to aviation, Islandia (Elliot Key), political campaigns, and real estate. Aviation series includes Miami All American Air Maneuvers, Naval bases, jetport, proposed airports, and Greater Miami Airport Association. Islandia materials include City of Islandia, Seadade port and refinery, and Biscayne National Monument, now Biscayne National Park.