| KIWANIS CLUB OF LONGBOAT KEY FOUNDATION, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Sep 13, 2005 | Inactive |
| NOAH'S ARK TRADING POST, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Apr 26, 2006 | Inactive |
| NOAH'S ARK FILLING STATION OF CLEWISTON INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Apr 26, 2006 | Inactive |
| HABITUDE INCORPORATEDLongboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Sep 11, 2006 | Inactive |
| SIMONSEN FAMILY CHARITABLE FOUNDATION, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Sep 24, 2007 | Inactive |
| KINGDOM BUILDERS INTERNATIONAL, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Mar 13, 2008 | Inactive |
| SUNSHINE FROM DARKNESS, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Aug 28, 2008 | Inactive |
| COURAGE TO SOAR, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Sep 9, 2008 | Inactive |
| SEA TWIG CONDOMINIUM ASSOCIATION, INC.Longboat Key, FL · Active | Longboat Key, FL | Nonprofit | Mar 15, 1985 | Active |
| SALTY ACRES CONDOMINIUM ASSOCIATION, INC.Longboat Key, FL · Active | Longboat Key, FL | Nonprofit | Mar 25, 1985 | Active |
| EMBASSY COURT CONDO ASSOCATION CORPLongboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Sep 15, 2009 | Inactive |
| POSITIVE CHANGE FOR LONGBOAT KEY, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Oct 14, 2009 | Inactive |
| LONGBOAT KEY FIREFIGHTERS BENEVOLENT FUND, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Feb 18, 2010 | Inactive |
| PROFESSIONALS ASSISTING MILITARY FAMILIES & FRIENDS-PAMFF, INCLongboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Jul 28, 2010 | Inactive |
| APP ADVOCATING PRECAUTIONARY PRINCIPLE, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Oct 26, 2010 | Inactive |
| LONGBOAT KEY HEALTH CARE FOUNDATION, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Mar 28, 2011 | Inactive |
| DODATUM SOCIETY, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Jun 8, 2011 | Inactive |
| FAIRWAY BAY III ASSOCIATION, INC.Longboat Key, FL · Active | Longboat Key, FL | Nonprofit | Sep 23, 1985 | Active |
| RONALD AND ETHEL TAUB FAMILY FOUNDATION, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Feb 10, 2012 | Inactive |
| INTERNATIONAL FOUNDATION FOR THE COOPERATION WITH COSTA RICA, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Jul 27, 2012 | Inactive |
| ACADEMY FOR INDIVIDUAL EVOLUTION, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Sep 26, 2012 | Inactive |
| AMERICAS FUR RESOURCE COUNCIL, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Dec 20, 2012 | Inactive |
| VILLAS ON FOURTH AVENUE CONDOMINIUM ASSOCIATION, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Dec 20, 2012 | Inactive |
| GULFSHORE TRAILER CITY MOBILE HOME OWNERS ASSOCIATION INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Dec 9, 1985 | Inactive |
| LONGBOAT KEY PUBLIC INTEREST COMMITTEE, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Dec 31, 1985 | Inactive |
| HEMINGWAY'S CONDOMINIUM ASSOCIATION, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Apr 16, 2014 | Inactive |
| PARADISE PALMS ON LONGBOAT KEY CONDOMINIUM ASSOCIATION, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Jul 10, 2014 | Inactive |
| OPERATION KINDNESS FLORIDA, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Nov 18, 2014 | Inactive |
| INTEGRATE, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Mar 4, 2015 | Inactive |
| KARMA YOGA OUTREACH, INC.Long Boat Key, FL · Inactive | Long Boat Key, FL | Nonprofit | Nov 24, 2015 | Inactive |
| LONGBEACH VILLAGE PROPERTY OWNERS ASSOCIATION, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | May 27, 1986 | Inactive |
| ISLANDSIDE HOMEOWNERS ASSOCIATION, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Jul 10, 1986 | Inactive |
| KEEP LONGBOAT SPECIAL, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | May 13, 2016 | Inactive |
| PRESERVE LONGBOAT, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Feb 1, 2017 | Inactive |
| EXXONMOBIL SUNCOAST RETIREE CLUB, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Oct 21, 1986 | Inactive |
| PARKINSON'S DISEASE INNOVATIVE TREATMENT ORGANIZATION INCLongboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Jan 29, 2018 | Inactive |
| OSB CORPLongboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Mar 20, 2018 | Inactive |
| SCIFORA INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Dec 14, 2018 | Inactive |
| BE A SEA SAVER INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Aug 7, 2019 | Inactive |
| HENRIETTE VAN ECK-MARTIN PORETSKY FOUNDATION, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Nov 23, 2020 | Inactive |
| THE GTR FOUNDATION, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Apr 30, 1987 | Inactive |
| MEADOW LAKES EAST PROPERTY OWNERS ASSOCIATION, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | May 13, 1987 | Inactive |
| FOSTER HOPE SPORTS FOUNDATION, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Oct 21, 2021 | Inactive |
| THEATRE ON THE GREEN, INCLongboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Dec 29, 2021 | Inactive |
| INTERNATIONAL COUNCIL ON ADDICTION, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Oct 13, 1987 | Inactive |
| SANDHAMN OWNERS ASSOCIATION, INC.Longboat Key, FL · Active | Longboat Key, FL | Nonprofit | Oct 22, 1987 | Active |
| FRIENDS OF PICKLEBALL, INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Mar 5, 2024 | Inactive |
| CELEBRATE HER WISDOM INC.Longboat Key, FL · Inactive | Longboat Key, FL | Nonprofit | Mar 22, 2024 | Inactive |
| THE CONDOMINIUM RESIDENCES AT LONGBOAT KEY ASSOCIATION, INC.Longboat Key, FL · Active | Longboat Key, FL | Nonprofit | Jul 1, 2024 | Active |
| THE SWORD AND THE TROWEL FOUNDATION INC.Longboat Key, FL · Active | Longboat Key, FL | Nonprofit | Jul 5, 2024 | Active |