| KEY WEST AND LOWER KEYS DEVELOPMENT CORPORATIONKey West, FL · Inactive | Key West, FL | Nonprofit | Feb 15, 1974 | Inactive |
| KEY WEST COMMUNITY SAILING CENTER, INC.Key West, FL · Active | Key West, FL | Nonprofit | Apr 11, 1974 | Active |
| MONROE COUNTY LEGAL AID SOCIETY, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Sep 16, 1974 | Inactive |
| KEY WEST SWIM TEAM, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Sep 30, 1974 | Inactive |
| KEY WEST BY THE SEA ASSOCIATION, INC.Key West, FL · Active | Key West, FL | Nonprofit | Dec 3, 1974 | Active |
| GREATER KEY WEST CITIZENS ASSOCIATION, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Dec 11, 1974 | Inactive |
| WESLEY HOUSE FAMILY SERVICES, INC.Key West, FL · Active | Key West, FL | Nonprofit | Jan 11, 1975 | Active |
| NAUTILUS UNDERWATER RESEARCH, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Apr 1, 1975 | Inactive |
| THE KEY WEST COMMUNITY INVOLVEMENT COUNCIL, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Jul 9, 1975 | Inactive |
| ASSOCIATION OF CONCERNED TAXPAYERS, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Aug 11, 1975 | Inactive |
| KEY WEST SOCIETY FOR THE PRESERVATION OF THE PERFORMING ARTS, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Aug 12, 1975 | Inactive |
| TAMARAC PARK PROPERTY OWNERS ASSOCIATION, INC.Key West, FL · Active | Key West, FL | Nonprofit | Aug 25, 1975 | Active |
| WINDSOR VILLAGE ASSOCIATION, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Feb 12, 1976 | Inactive |
| CARRIAGE HOUSE GARDENS, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Apr 6, 1976 | Inactive |
| ICARE LADIES SHRINE CLUB, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | May 24, 1976 | Inactive |
| KEY WEST CHARTER BOATMEN'S ASSOCIATION, INC.Key West, FL · Active | Key West, FL | Nonprofit | Jun 29, 1976 | Active |
| RIVIERA CANAL HOMEOWNERS ASSOCIATION, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Jul 1, 1976 | Inactive |
| KEY WEST SAIL & POWER SQUADRON, INC.Key West, FL · Active | Key West, FL | Nonprofit | Mar 14, 1977 | Active |
| JESSIE PORTER NEWTON FOUNDATION, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Jun 2, 1977 | Inactive |
| KEY WEST IMPROMPTU CLASSICAL CONCERTS, INC.Key West, FL · Active | Key West, FL | Nonprofit | Jun 3, 1977 | Active |
| TRIUNE TRUTH MINISTRIES, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Aug 23, 1977 | Inactive |
| ARTHUR SAYWER POST #28 INCORPORATED, THE AMERICAN LEGION, KEY WEST, FLORIDAKey West, FL · Inactive | Key West, FL | Nonprofit | Aug 30, 1977 | Inactive |
| KEY WEST ASSOCIATION OF REALTORS, INC.Key West, FL · Active | Key West, FL | Nonprofit | Sep 9, 1977 | Active |
| LATIN AMERICAN CHAMBER OF COMMERCE OF THE LOWER KEYS, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Oct 27, 1977 | Inactive |
| THE FIRST CHURCH OF GOD OF BIG COPPITT KEY, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Dec 12, 1977 | Inactive |
| KEY WEST CHAPTER NUMBER 33, DISABLED AMERICAN VETERANS, INCORPORATEDKey West, FL · Inactive | Key West, FL | Nonprofit | Dec 21, 1977 | Inactive |
| LEY MEMORIAL UNITED METHODIST CHURCH, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Dec 8, 1977 | Inactive |
| CHURCH OF THE GOLDEN DOLPHIN INCORPORATEDKey West, FL · Inactive | Key West, FL | Nonprofit | Mar 15, 1978 | Inactive |
| SMOKE AWAY SEMINARS, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Jul 13, 1978 | Inactive |
| MONROE COUNTY HOUSING CORPORATION, INC.Key West, FL · Active | Key West, FL | Nonprofit | Jul 28, 1978 | Active |
| KEY WEST BUSINESS GUILD, INC.Key West, FL · Active | Key West, FL | Nonprofit | Sep 6, 1978 | Active |
| GREATER KEY WEST CHAMBER OF COMMERCE, INC.Key West, FL · Active | Key West, FL | Nonprofit | Dec 12, 1978 | Active |
| KEY WEST CHAMBER OF COMMERCE, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Jan 9, 1979 | Inactive |
| FRIENDS OF THE MONROE COUNTY PUBLIC LIBRARY IN KEY WEST, FLORIDA, INC.Key West, FL · Active | Key West, FL | Nonprofit | Feb 12, 1979 | Active |
| SOUTHERNMOST CHAMBER OF COMMERCE, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Feb 9, 1979 | Inactive |
| NEW SCHOOL OF DANCE, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Feb 20, 1979 | Inactive |
| BAYSIDE CONDOMINIUMS AT MILE MARKER 10 ASSOCIATION, INC.Key West, FL · Active | Key West, FL | Nonprofit | Jun 29, 1979 | Active |
| SANTA CLARA CONDOMINIUM ASSOCIATION, INC.Key West, FL · Active | Key West, FL | Nonprofit | Oct 8, 1979 | Active |
| SEASIDE RESORT, INC.Key West, FL · Active | Key West, FL | Nonprofit | Dec 20, 1979 | Active |
| PRIVATE INDUSTRY COUNCIL OF THE FLORIDA KEYS, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Jan 8, 1980 | Inactive |
| NEIGHBORHOOD IMPROVEMENT ASSOCIATION, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Jan 25, 1980 | Inactive |
| SOUTHERNMOST MOTORCYCLE CLUB, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Jan 29, 1980 | Inactive |
| THE VILLAS OF KEY WEST HOMEOWNERS' ASSOCIATION, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Feb 21, 1980 | Inactive |
| KEY WEST DANCE THEATRE, INC.Key West, FL · Active | Key West, FL | Nonprofit | Mar 31, 1980 | Active |
| CASA CASELLES HOMEOWNERS ASSOCIATION, INC.Key West, FL · Active | Key West, FL | Nonprofit | Apr 28, 1980 | Active |
| SPECTRUM SCHOOL, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | May 5, 1980 | Inactive |
| KEY WEST JAYCEES, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Jul 28, 1980 | Inactive |
| 1800 ATLANTIC CONDOMINIUM ASSOCIATION, INC.Key West, FL · Active | Key West, FL | Nonprofit | Aug 18, 1980 | Active |
| LA BRISA ASSOCIATION, INC.Key West, FL · Active | Key West, FL | Nonprofit | Oct 13, 1980 | Active |
| THE FLORIDA KEYS ARTIFICIAL REEF ASSOCIATION, INC.Key West, FL · Inactive | Key West, FL | Nonprofit | Oct 17, 1980 | Inactive |