| FIRST COMMUNITY CHURCH OF SEBASTIAN, INC.Sebastian, FL · Inactive | Sebastian, FL | Nonprofit | Feb 18, 1987 | Inactive |
| FIRST PRESBYTERIAN CHURCH OF SEBASTIAN, INCORPORATEDSebastian, FL · Active | Sebastian, FL | Nonprofit | Mar 10, 1987 | Active |
| B.I.R.D.S., INC.Sebastian, FL · Inactive | Sebastian, FL | Nonprofit | Mar 12, 1987 | Inactive |
| COMMUNITY BAPTIST CHURCH, INC.Sebastian, FL · Active | Sebastian, FL | Nonprofit | Mar 25, 1987 | Active |
| A KALEIDOSCOPE OF BUTTERFLIES, INCSebastian, FL · Inactive | Sebastian, FL | Nonprofit | May 20, 2020 | Inactive |
| SAVINGMADESAVY INC.Sebastian, FL · Inactive | Sebastian, FL | Nonprofit | Jul 15, 2020 | Inactive |
| ETHOS TREK, INC.Sebastian, FL · Inactive | Sebastian, FL | Nonprofit | Aug 10, 2020 | Inactive |
| TREASURE COAST MAKOS, INC.Sebastian, FL · Inactive | Sebastian, FL | Nonprofit | Dec 17, 2020 | Inactive |
| 1621 CENTER, INC.Sebastian, FL · Inactive | Sebastian, FL | Nonprofit | Apr 9, 1987 | Inactive |
| BREEZY VILLAGE ASSOCIATION, INC.Sebastian, FL · Active | Sebastian, FL | Nonprofit | May 18, 1987 | Active |
| FELLSMERE'S CLUB COMPU-MANIA, INC.Sebastian, FL · Inactive | Sebastian, FL | Nonprofit | May 21, 1987 | Inactive |
| SEBASTIAN BASEBALL INCSebastian, FL · Inactive | Sebastian, FL | Nonprofit | Jun 15, 2021 | Inactive |
| HEROES FIRST CORPSebastian, FL · Inactive | Sebastian, FL | Nonprofit | Jun 30, 2021 | Inactive |
| STARRS' INN STRIPEZ SANCTUARY INC.Sebastian, FL · Inactive | Sebastian, FL | Nonprofit | Jul 8, 2021 | Inactive |
| ALL FOR FUN & GAMES, INC.Sebastian, FL · Inactive | Sebastian, FL | Nonprofit | Aug 27, 2021 | Inactive |
| FLORIDA BASEBALL INSTRUCTION, INC.Sebastian, FL · Inactive | Sebastian, FL | Nonprofit | Sep 27, 2021 | Inactive |
| SEBASTIAN LODGE, NO. 2714, BENEVOLENT AND PROTECTIVE ORDER OF ELKS OF THE UNITED STATES OF AMERICA, INC.Sebastian, FL · Active | Sebastian, FL | Nonprofit | Jul 31, 1987 | Active |
| SGMS STINGRAYS CHEER BOOSTERS, INC.Sebastian, FL · Inactive | Sebastian, FL | Nonprofit | Aug 9, 2022 | Inactive |
| LADY HULKS INCSebastian, FL · Inactive | Sebastian, FL | Nonprofit | Oct 19, 2022 | Inactive |
| EVENTS BY KAYJAYZ, INC.Sebastian, FL · Inactive | Sebastian, FL | Nonprofit | Nov 14, 2022 | Inactive |
| CLAN MACEWAN SOCIETY INC.Sebastian, FL · Inactive | Sebastian, FL | Nonprofit | Mar 7, 2023 | Inactive |
| ENCOUNTER TABERNACLE, INC.Sebastian, FL · Inactive | Sebastian, FL | Nonprofit | Feb 28, 2023 | Inactive |
| THE CHRISTOPHER WALLACE CHILDHOOD CANCER FOUNDATION INC.Sebastian, FL · Inactive | Sebastian, FL | Nonprofit | Apr 27, 2023 | Inactive |
| "SHARK ROYALTY CHEER ASSOCIATION INC"Sebastian, FL · Inactive | Sebastian, FL | Nonprofit | Apr 7, 2023 | Inactive |
| COASTAL VILLAGE SUPPLY INCSebastian, FL · Inactive | Sebastian, FL | Nonprofit | May 2, 2023 | Inactive |
| JUST INSPIRE OTHERS FOUNDATION,CORPSebastian, FL · Inactive | Sebastian, FL | Nonprofit | Jul 14, 2023 | Inactive |
| WEST WABASSO ATHLETIC CORPORATIONSebastian, FL · Inactive | Sebastian, FL | Nonprofit | Jul 14, 2023 | Inactive |
| CHILDREN OF PERSEUSSebastian, FL · Inactive | Sebastian, FL | Nonprofit | Sep 13, 2023 | Inactive |
| RIVERSIDE VILLAGE ASSOCIATION, INC.Sebastian, FL · Active | Sebastian, FL | Nonprofit | Oct 22, 1987 | Active |
| THE SEBASTIAN FISHING CLUB, INC.Sebastian, FL · Inactive | Sebastian, FL | Nonprofit | Dec 10, 1987 | Inactive |
| PHASE LL SPORTS ATHLETICS GROUP INC.Sebastian, FL · Inactive | Sebastian, FL | Nonprofit | Jan 10, 2024 | Inactive |
| SOLOMON MINISTRIES INCORPORATEDSebastian, FL · Inactive | Sebastian, FL | Nonprofit | Mar 6, 2024 | Inactive |
| CROSS AXE CSC, INCLakeland, FL · Inactive | Lakeland, FL | Nonprofit | Jun 18, 2024 | Inactive |
| THE LEGACY FOUNDATION OF IRC , INC.Sebastian, FL · Inactive | Sebastian, FL | Nonprofit | Jul 9, 2024 | Inactive |
| MEDTRONICA FOUNDATION INC.Sebastain, FL · Active | Sebastain, FL | Nonprofit | Jul 25, 2025 | Active |
| TREASURE COAST ARCHEOLOGICAL SOCIETY, INC.Sebastian, FL · Inactive | Sebastian, FL | Nonprofit | Mar 9, 1988 | Inactive |
| TREASURE COAST POLICE K9 ALLIANCE, INC.Sebastian, FL · Active | Sebastian, FL | Nonprofit | Jan 26, 2026 | Active |
| POWHER BASKETBALL CLUB INC.Sebastian, FL · Active | Sebastian, FL | Nonprofit | Mar 4, 2026 | Active |
| CARS FOR PAWS INC.Sebastian, FL · Active | Sebastian, FL | Nonprofit | May 18, 2026 | Active |
| COMMUNITY WORSHIP MINISTRY INC.Sebastian, FL · Active | Sebastian, FL | Nonprofit | Jul 8, 2026 | Active |
| EMPOWER YOUTH PROJECT, INCSebastian, FL · Active | Sebastian, FL | Nonprofit | Jul 20, 2026 | Active |
| MY BROTHER'S KEEPER VETERANS FOUNDATION INC.Location not reported, FL · Active | Location not reported, FL | Nonprofit | Aug 17, 2026 | Active |
| AMERICAN GAELIC SOCIETY OF FLORIDA, INC.Sebastian, FL · Active | Sebastian, FL | Nonprofit | Aug 26, 2026 | Active |
| ITALIAN AMERICAN RIDERS CLUB OF SEBASTIAN, INC.Sebastian, FL · Active | Sebastian, FL | Nonprofit | Aug 27, 2026 | Active |
| THE SEBASTIAN LADIES CHARITABLE FOUNDATION, INCSebastian, FL · Active | Sebastian, FL | Nonprofit | Aug 31, 2026 | Active |
| SEBASTIAN BULLSHARKS, INC.Sebastian, FL · Active | Sebastian, FL | Nonprofit | Aug 25, 2026 | Active |
| ST. SEBASTIAN HOLY NAME SOCIETY CORPSebastian, FL · Active | Sebastian, FL | Nonprofit | Sep 18, 2026 | Active |
| SEBASTIAN CHURCH AT THE CROSS CHURCH OF THE NAZARENE, INC.Sebastian, FL · Active | Sebastian, FL | Nonprofit | May 20, 1988 | Active |
| SAND RIDGE CENTRE, INC.Sebastian, FL · Inactive | Sebastian, FL | Nonprofit | May 23, 1988 | Inactive |
| RIVER VIEW CENTER, INC.Sebastian, FL · Active | Sebastian, FL | Nonprofit | Jun 27, 1988 | Active |