| SURFRIDER BEACH CLUB ASSOCIATION, INC.Sanibel Island, FL · Active | Sanibel Island, FL | Nonprofit | May 6, 1981 | Active |
| INDIAN RIVER VILLAS CONDOMINIUM ASSOCIATION, INC.Jensen Beach, FL · Active | Jensen Beach, FL | Nonprofit | Jul 17, 1981 | Active |
| CASA YBEL BEACH AND RACQUET CLUB, PHASE I-J-K, CONDOMINIUM ASSOCIATION, INC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Jul 21, 1981 | Active |
| THE INTERNATIONAL OSPREY FOUNDATION, INC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Aug 4, 1981 | Active |
| YACHTSMAN'S COVE PROPERTY OWNER'S ASSOCIATION, INC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Aug 21, 1981 | Active |
| SHELL ISLAND BEACH CLUB ASSOCIATION, INC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Aug 28, 1981 | Active |
| SEA LOFT VILLAGE CONDOMINIUM ASSOCIATION, INC.Sanibel Island, FL · Active | Sanibel Island, FL | Nonprofit | Oct 1, 1981 | Active |
| CAPTIVA COVE CONDOMINIUM ASSOCIATION, INC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Nov 19, 1981 | Active |
| SANIBEL SHORES CONDOMINIUM ASSOCIATION, INC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Dec 30, 1981 | Active |
| CYPRINA BEACH CONDOMINIUM ASSOCIATION, INC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Feb 18, 1982 | Active |
| NORTH YACHTSMAN PORTE ASSOCIATION, INC.Sanibel, FL · Inactive | Sanibel, FL | Nonprofit | Mar 30, 1982 | Inactive |
| SOUTH SEAS PLANTATION BEACH HOME CONDOMINIUM ASSOCIATION, INC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Mar 31, 1982 | Active |
| THE SHOREWOOD OF SANIBEL CONDOMINIUM ASSOCIATIONINC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Apr 9, 1982 | Active |
| SEA OATS IMPROVEMENT ASSOCIATION, INC.Sanibel, FL · Inactive | Sanibel, FL | Nonprofit | May 12, 1982 | Inactive |
| TANGLEWOOD CONDOMINIUM ASSOCIATION OF SANIBEL, INCSanibel, FL · Active | Sanibel, FL | Nonprofit | Jun 18, 1982 | Active |
| LITTLE LAKE MUREX ASSOCIATION, INC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Jun 28, 1982 | Active |
| THE CLEARWATER OPTIMIST PRAM CLASS ASSOCIATION, INC.Sanibel, FL · Inactive | Sanibel, FL | Nonprofit | Jun 7, 1982 | Inactive |
| SANIBEL & CAPTIVA ISLANDS ASSOCIATION OF REALTORS, INC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Sep 13, 1982 | Active |
| "DING" DARLING WILDLIFE SOCIETY, INC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Oct 6, 1982 | Active |
| BY-THE-SEA CONDOMINIUM ASSOCIATION, INC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Dec 3, 1982 | Active |
| THE SANIBEL COTTAGES CONDOMINIUM ASSOCIATION, INC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Dec 27, 1982 | Active |
| SHELL HARBOR INN RESORT & CLUB PROPERTY OWNERS ASSOCIATION, INC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Dec 30, 1982 | Active |
| SHELL HARBOR INN RESORT & CLUB CONDOMINIUM ASSOCIATION, INC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Dec 30, 1982 | Active |
| PINE TREE DRIVE ASSOCIATION, INC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Jan 28, 1983 | Active |
| GULF RIDGE EAST PROPERTY OWNERS ASSOCIATION, INC.Sanibel, FL · Inactive | Sanibel, FL | Nonprofit | Feb 4, 1983 | Inactive |
| MITZI SUBDIVISION PROPERTY OWNERS' ASSOCIATION, INC.Sanibel, FL · Inactive | Sanibel, FL | Nonprofit | Mar 23, 1983 | Inactive |
| MID-TOWN OF CAPE CORAL CONDOMINIUM ASSOCIATION, INC.Sanibel Island, FL · Inactive | Sanibel Island, FL | Nonprofit | Mar 30, 1983 | Inactive |
| CENTRE VILLE CONDOMINIUM ASSOCIATION, INC.Sanibel Island, FL · Inactive | Sanibel Island, FL | Nonprofit | Mar 31, 1983 | Inactive |
| SANDPIPER WEST OF SANIBEL CONDOMINIUM ASSOCIATION, INC.Sanibel Island, FL · Inactive | Sanibel Island, FL | Nonprofit | Apr 18, 1983 | Inactive |
| SANIBEL CONGREGATIONAL UNITED CHURCH OF CHRIST, INC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Apr 19, 1983 | Active |
| FAIRWAY COURT CONDOMINIUM ASSOCIATION, INC.Sanibel Island, FL · Inactive | Sanibel Island, FL | Nonprofit | Apr 22, 1983 | Inactive |
| THE SABAL SANDS PROPERTY OWNERS ASSOCIATION, INCSanibel, FL · Inactive | Sanibel, FL | Nonprofit | Apr 26, 1983 | Inactive |
| THE SPOONBILL GOLF & TENNIS CLUB, INC.Sanibel, FL · Inactive | Sanibel, FL | Nonprofit | May 26, 1983 | Inactive |
| CAPTIVA BEACH HOME OWNERS' ASSOCIATION, INC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Jun 3, 1983 | Active |
| THE FERRY LANDING HOMEOWNERS ASSOCIATION, INC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Jun 24, 1983 | Active |
| POINTE SANTO DE SANIBEL CONDOMINIUM ASSOCIATION, INC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Aug 23, 1983 | Active |
| BAYSIDE VILLAGE OF SANIBEL HOMEOWNERS ASSOCIATION, INC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Sep 30, 1983 | Active |
| THE TOWER GALLERY ARTIST COOPERATIVE, INC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Oct 24, 1983 | Active |
| BAYVIEW VILLAGE CONDOMINIUM ASSOCIATION ON SANIBEL, INC.Sanibel, FL · Active | Sanibel, FL | Nonprofit | Nov 4, 1983 | Active |
| ISLAND INN COMPANYSanibel, FL · Active | Sanibel, FL | Corporation | Oct 21, 1957 | Active |
| THE WAYMAR CORPORATIONSanibel, FL · Inactive | Sanibel, FL | Corporation | Mar 1, 1971 | Inactive |
| GRANDVIEW CONSTRUCTION COMPANYSanibel, FL · Inactive | Sanibel, FL | Corporation | Nov 30, 1973 | Inactive |
| RAAMOT ASSOCIATES, P.C.Sanibel Island, FL · Inactive | Sanibel Island, FL | Corporation | Aug 12, 1974 | Inactive |
| NOR-ROB CORPORATIONSanibel Island, FL · Inactive | Sanibel Island, FL | Corporation | Oct 26, 1978 | Inactive |
| DUNN & STRINGER DEVELOPMENT INCSanibel, FL · Inactive | Sanibel, FL | Corporation | Apr 23, 1981 | Inactive |
| DBK INVESTMENTS, LIMITED INCORPORATEDSanibel, FL · Inactive | Sanibel, FL | Corporation | Jul 14, 1981 | Inactive |
| HOGGATT POTTERY, INC.Sanibel Island, FL · Inactive | Sanibel Island, FL | Corporation | Dec 22, 1981 | Inactive |
| JERRY'S ENTERPRISES, INC.Sanibel, FL · Active | Sanibel, FL | Corporation | Dec 1, 1982 | Active |
| DUNN & STRINGER REALTY, INC.Sanibel, FL · Inactive | Sanibel, FL | Corporation | May 4, 1983 | Inactive |
| THE PENNINGTON FLORIDA GROUP I, LTD.Sanibel, FL · Inactive | Sanibel, FL | Partnership | Mar 30, 2000 | Inactive |