| SUGAR PLUM OF AMELIA ISLAND, INC.Amelia Island, FL · Inactive | Amelia Island, FL | Corporation | Jul 30, 1981 | Inactive |
| CHEM CELL CLUB INCFernandina Beach, FL · Inactive | Fernandina Beach, FL | Nonprofit | Aug 15, 1961 | Inactive |
| FIRST BAPTIST CHURCH OF FERNANDINA, FLORIDA, INC.Fernandina Beach, FL · Active | Fernandina Beach, FL | Nonprofit | Oct 24, 1962 | Active |
| NASSAU COUNTY SHERIFFS WATER PATROL, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Jan 14, 1963 | Inactive |
| FERNANDINA BEACH JAYCEES, INC.Fernandina Beach, FL · Inactive | Fernandina Beach, FL | Nonprofit | May 7, 1963 | Inactive |
| SPRINGHILL BAPTIST CHURCH, INC.Fernandina Beach, FL · Active | Fernandina Beach, FL | Nonprofit | Nov 14, 1963 | Active |
| THE NASSAU COUNTY TAXPAYERS ASSOCIATION INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Feb 28, 1964 | Inactive |
| GENERAL DUNCAN LAMONT CLINCH HISTORICAL SOCIETY OF AMELIA ISLAND, INC.Fernandina Beach, FL · Active | Fernandina Beach, FL | Nonprofit | Jun 4, 1964 | Active |
| PRINCE OF PEACE LUTHERAN CHURCH OF FERNANDINA BEACH, INCORPORATEDFernandina Beach, FL · Active | Fernandina Beach, FL | Nonprofit | Dec 15, 1964 | Active |
| FERNANDINA BEACH, FLORIDA, CONGREGATION OF JEHOVAH'S WITNESSES, INC.Fernandina Beach, FL · Active | Fernandina Beach, FL | Nonprofit | Feb 23, 1965 | Active |
| THE FERNANDIA BEACH FLORIDA CHAPTER OF S.P.E.B.S.Q.S.A., INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Dec 17, 1965 | Inactive |
| NASSAU COMMUNITY ACTION, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Jan 27, 1966 | Inactive |
| NASSAU COUNTY HOME HEALTH SERVICES ASSOCIATION, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | May 31, 1966 | Inactive |
| ISLAND CITY CLUB, INC.Fernandina Bch, FL · Inactive | Fernandina Bch, FL | Nonprofit | Jan 4, 1967 | Inactive |
| AMERICAN BEACH LAWN TENNIS ASSOCIATION, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Jan 23, 1967 | Inactive |
| FERNANDINA BEACH POLICE ATHLETIC LEAGUE, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Mar 21, 1967 | Inactive |
| FLORIDA ASSOCIATION OF DEPUTY SHERIFFS, INCORPORATEDLocation not reported, FL · Inactive | Location not reported, FL | Nonprofit | Jul 19, 1967 | Inactive |
| THE HUMANE SOCIETY OF NASSAU COUNTY, FLORIDA, INCORPORATEDLocation not reported, FL · Inactive | Location not reported, FL | Nonprofit | Oct 26, 1967 | Inactive |
| THE FERNANDINA BEACH CHURCH OF CHRIST, INC.Fernandina Beach, FL · Active | Fernandina Beach, FL | Nonprofit | Mar 18, 1968 | Active |
| NASSAU COUNTY URBAN DEVELOPMENT AUTHORITY, INC.Fernandina Beach, FL · Inactive | Fernandina Beach, FL | Nonprofit | Dec 11, 1968 | Inactive |
| JAYCEE WIVES CLUB OF FERNANDINA BEACH, FLORIDA, INC.Fernandina Beach, FL · Inactive | Fernandina Beach, FL | Nonprofit | Oct 16, 1969 | Inactive |
| EIGHT FLAGS MOTORCYCLE CLUB, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Apr 6, 1970 | Inactive |
| ATLANTIC FLYING CLUB, INC.Fernandina Beach, FL · Active | Fernandina Beach, FL | Nonprofit | Jun 1, 1970 | Active |
| ATLANTIC SEAFOOD INDUSTRIES, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Aug 6, 1970 | Inactive |
| FERNANDINA BEACH FISHING CLUB, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Aug 5, 1971 | Inactive |
| AMERICAN JUSTICE GUILD, INCORPORATEDFernandina Beach, FL · Inactive | Fernandina Beach, FL | Nonprofit | Mar 14, 1972 | Inactive |
| AMELIA ISLAND PLANTATION COMMUNITY ASSOCIATION, INC.Fernandina Beach, FL · Active | Fernandina Beach, FL | Nonprofit | May 15, 1972 | Active |
| LIVING WATERS WORLD OUTREACH CENTER INC. OF FERNANDINA BEACH, FLORIDAFernandina Beach, FL · Active | Fernandina Beach, FL | Nonprofit | May 17, 1972 | Active |
| CLUB VILLAS ASSOCIATION, INC.Amelia Island, FL · Active | Amelia Island, FL | Nonprofit | Aug 8, 1972 | Active |
| AMELIA ISLAND FERNANDINA RESTORATION FOUNDATION INCORPORATEDFernandina Beach, FL · Active | Fernandina Beach, FL | Nonprofit | Sep 7, 1972 | Active |
| LAGOON VILLAS ASSOCIATION, INC.Amelia Island, FL · Active | Amelia Island, FL | Nonprofit | Sep 18, 1972 | Active |
| ST. PETER'S VILLAS, INC.Fernandina Beach, FL · Inactive | Fernandina Beach, FL | Nonprofit | Oct 20, 1972 | Inactive |
| FAIRWAY OAK VILLAS ASSOCIATION, INC.Amelia Island, FL · Active | Amelia Island, FL | Nonprofit | Feb 6, 1973 | Active |
| BEACH WALKER VILLAS ASSOCIATION INC.Amelia Island, FL · Active | Amelia Island, FL | Nonprofit | Feb 6, 1973 | Active |
| CITIZEN'S ASSOCIATION FOR PRESERVATION OF PUBLIC BEACHES, INC.Fernandina Beach, FL · Inactive | Fernandina Beach, FL | Nonprofit | Jul 20, 1973 | Inactive |
| BEACH WOOD VILLAS ASSOCIATION, INC.Amelia Island, FL · Active | Amelia Island, FL | Nonprofit | Jul 13, 1973 | Active |
| THE AMELIA ISLAND VOLUNTEER FIRE-RESCUE DEPARTMENT, INC.Fernandina Bch, FL · Inactive | Fernandina Bch, FL | Nonprofit | Sep 5, 1973 | Inactive |
| SHIP WATCH VILLAS ASSOCIATION, INC.Amelia Island, FL · Active | Amelia Island, FL | Nonprofit | Sep 21, 1973 | Active |
| MARSH VIEW OWNERS ASSOCIATION, INC.Amelia Island, FL · Active | Amelia Island, FL | Nonprofit | Oct 18, 1973 | Active |
| FERNANDINA PIRATES CLUB, INC.Fernandina Bch, FL · Inactive | Fernandina Bch, FL | Nonprofit | Oct 22, 1973 | Inactive |
| NASSAU COUNTY COUNCIL ON AGING INCORPORATEDFernandina Beach, FL · Active | Fernandina Beach, FL | Nonprofit | Feb 15, 1974 | Active |
| FERNANDINA SHORES CONDOMINIUM ASSOCIATION, INC.Amelia Island, FL · Active | Amelia Island, FL | Nonprofit | Apr 3, 1974 | Active |
| NASSAU COUNTY COUNCIL ON ALCOHOLISM AND DRUG ABUSE, INC.Fernandina Beach, FL · Inactive | Fernandina Beach, FL | Nonprofit | Jul 10, 1974 | Inactive |
| NASSAUVILLE VOLUNTEER FIRE DEPARTMENT, INC.Fernandina Beach, FL · Inactive | Fernandina Beach, FL | Nonprofit | Dec 23, 1974 | Inactive |
| FERNANDINA BEACH ATHLETIC BOOSTER CLUB,INC.Fernandina Beach, FL · Inactive | Fernandina Beach, FL | Nonprofit | Apr 24, 1975 | Inactive |
| MEMORIAL UNITED METHODIST CHURCH, INC.Fernandina Bch, FL · Active | Fernandina Bch, FL | Nonprofit | Apr 25, 1975 | Active |
| CENTRE STREET FERNANDINA MERCHANTS ASSOCIATION, INCFernandina Bch, FL · Inactive | Fernandina Bch, FL | Nonprofit | Aug 19, 1975 | Inactive |
| ELM STREET SPORTSMAN CLUB, INC.Fernandina Beach, FL · Inactive | Fernandina Beach, FL | Nonprofit | Oct 24, 1975 | Inactive |
| ISLAND EDUCATION, INC.Fernandina Beach, FL · Active | Fernandina Beach, FL | Nonprofit | Oct 27, 1975 | Active |
| BIBLE BAPTIST CHURCH OF FERNANDINA BEACH, INC.Fernandina Beach, FL · Inactive | Fernandina Beach, FL | Nonprofit | Feb 26, 1976 | Inactive |