Established in 1951, the Coconut Grove Garden Club is a nonprofit organization dedicated to the study, practice, and appreciation of horticulture. This collection contains photograph albums, Plymouth Congregational Church registers, and other records held by the Coconut Grove Garden Club.

The Coconut Grove Playhouse records contain playbills, promotional/marketing material, posters, press releases, news clippings, financial files, grant files, personnel files, show and production files, play scripts, and audio-visual materials (photographs, CDs, vinyl records, floppy disks, VHS, film reels, betacam tapes, audiocassette tapes) pertaining to the theater's operation from the 1970s to its closing in 2006.

The Plymouth Congregational Church records contains historical records created and maintained by the church from around the 1910s through 2010s. The collection contains (but is not limited to) church records on baptisms, weddings, and funerals; architectural drawings of the building and grounds (including the Little Schoolhouse); church bulletins; educational materials; organizational records, including minister files, records maintained by church organizations (eg. Music Committee, Women's Fellowship Circles), and information on governance; ephemera related to events; press clippings; scrapbooks, photographs; and sermons and memorial tapes.