| RAM LEGAL SERVICES PAMarathon, FL · Active | Marathon, FL | Corporation | Jan 7, 2020 | Active |
| AMAN EXECUTIVE MANAGEMENT LLCMarathon, FL · Inactive | Marathon, FL | LLC | Oct 20, 2025 | Inactive |
| FLORIDA KEYS KAYAK AND PADDLEBOARDMarathon, FL · Active | Marathon, FL | LLC | Dec 7, 2020 | Active |
| SAND PEBBLES HOLDINGS, LLCBig Pine Key, FL · Active | Big Pine Key, FL | LLC | May 21, 2020 | Active |
| ST. ANDREWS PROPERTY GROUP, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Apr 14, 2025 | Inactive |
| A&B POOL CLEANING LLCMarathon, FL · Active | Marathon, FL | LLC | Jan 27, 2025 | Active |
| 2239 WASHINGTON STREET, LLCMarathon, FL · Active | Marathon, FL | LLC | Jan 3, 2022 | Active |
| 6741 NE 21ST ROAD, LLCMarathon, FL · Active | Marathon, FL | LLC | May 11, 2021 | Active |
| BR&BL HOLDINGS, LLC.Marathon, FL · Active | Marathon, FL | LLC | Oct 24, 2011 | Active |
| CONSTRUCTION DYNAMICS, INC.Marathon, FL · Active | Marathon, FL | Corporation | Aug 14, 2007 | Active |
| KLAS REALTY LLCMarathon, FL · Active | Marathon, FL | LLC | Jul 14, 2022 | Active |
| FLAMINGO PALMS COTTAGES, LLCMarathon, FL · Active | Marathon, FL | LLC | Dec 1, 2021 | Active |
| BLUE OCEAN BUNGALOW LLCMarathon, FL · Active | Marathon, FL | LLC | Jun 11, 2021 | Active |
| INVEST WIZ MANAGEMENT LLCMarathon, FL · Active | Marathon, FL | LLC | Jan 17, 2018 | Active |
| MERMAID SPIRIT CHARTERS, LLCMarathon, FL · Active | Marathon, FL | LLC | Apr 18, 2023 | Active |
| 3677 CHARNIE LANE LLCMarathon, FL · Active | Marathon, FL | LLC | Apr 19, 2017 | Active |
| PANTEA TRADING LLCMarathon, FL · Active | Marathon, FL | LLC | May 14, 2025 | Active |
| SEAHORSE WATERSPORTS LLCMarathon, FL · Active | Marathon, FL | LLC | Feb 24, 2025 | Active |
| A H PROPERTIES II LLCMarathon, FL · Active | Marathon, FL | LLC | Sep 24, 2015 | Active |
| A H PROPERTIES I LLCMarathon, FL · Active | Marathon, FL | LLC | Jan 31, 2014 | Active |
| GEHRKE YACHT SERVICES, LLCMarathon, FL · Active | Marathon, FL | LLC | Jun 21, 2022 | Active |
| G C MECHANICAL SERVICES , CORPMarathon, FL · Active | Marathon, FL | Corporation | Sep 13, 2019 | Active |
| IBIS 4 LLCMarathon, FL · Active | Marathon, FL | LLC | Jun 29, 2021 | Active |
| JTF MANAGEMENT LLCMarathon, FL · Active | Marathon, FL | LLC | Dec 1, 2020 | Active |
| JTS MANAGEMENT OF HALLANDALE LLCMarathon, FL · Active | Marathon, FL | LLC | Dec 1, 2020 | Active |
| TOMELON INC.Marathon, FL · Active | Marathon, FL | Corporation | Jan 10, 2011 | Active |
| VASO REALTY CORP.Marathon, FL · Active | Marathon, FL | Corporation | Oct 17, 2006 | Active |
| G. SPENCER DESIGNS, INC.Marathon, FL · Active | Marathon, FL | Corporation | Apr 18, 2005 | Active |
| ANDY GLOBAL TRANSPORT LLCMarathon, FL · Active | Marathon, FL | LLC | Sep 25, 2025 | Active |
| EXCEEDING EXPECTATIONS ABA, LLCMarathon, FL · Active | Marathon, FL | LLC | Sep 2, 2025 | Active |
| DIAZ RAILINGS LLCHomestead, FL · Active | Homestead, FL | LLC | Jan 27, 2022 | Active |
| HOOKED IN THE KEYS LLCMarathon, FL · Active | Marathon, FL | LLC | Sep 3, 2025 | Active |
| ISLAMORADA BOAT RENTALS LLCMarathon, FL · Active | Marathon, FL | LLC | Jul 28, 2025 | Active |
| SEAHORSE WATER ADVENTURES LLCMarathon, FL · Active | Marathon, FL | LLC | Sep 12, 2024 | Active |
| WHISKERS & PAWS FOREVER OF MONROE COUNTY, INC.Marathon, FL · Active | Marathon, FL | Nonprofit | Oct 6, 2006 | Active |
| BEACH LIFE CONSULTING LLCMarathon, FL · Active | Marathon, FL | LLC | Mar 31, 2022 | Active |
| TGH MERCHANDISING LLCKey Largo, FL · Inactive | Key Largo, FL | LLC | Feb 11, 2025 | Inactive |
| MARKITO'S PIZZERIA, LLCConch Key, FL · Active | Conch Key, FL | LLC | May 20, 2022 | Active |
| TGH DUVAL 3 LLCMarathon, FL · Active | Marathon, FL | LLC | Nov 14, 2024 | Active |
| SHORELINE MANAGEMENT SOLUTIONS L.L.C.Marathon, FL · Active | Marathon, FL | LLC | Sep 19, 2023 | Active |
| KEY WEST CUSTOMS LLCKey West, FL · Active | Key West, FL | LLC | Feb 9, 2005 | Active |
| KEY WEST WATER TOURS, LCMarathon, FL · Active | Marathon, FL | LLC | May 1, 2003 | Active |
| WIGINTON INVESTMENT GROUP, LLCDuck Key, FL · Active | Duck Key, FL | LLC | Sep 13, 2022 | Active |
| BUSINESS ACCOUNTING MANAGERIAL FIRM LLCMarathon, FL · Active | Marathon, FL | LLC | Mar 16, 2022 | Active |
| SANDERS BROTHERS LONGWOOD PROPERTY, LLCMarathon, FL · Active | Marathon, FL | LLC | Jan 14, 2005 | Active |
| KEYS ADVENTURE RENTALS LLCMarathon, FL · Inactive | Marathon, FL | LLC | Jan 8, 2025 | Inactive |
| SHORES BARE BEAUTY LLCMarathon, FL · Active | Marathon, FL | LLC | May 23, 2025 | Active |
| GARCIA'S MG CLEANING SERVICE LLCMarathon, FL · Active | Marathon, FL | LLC | Nov 4, 2025 | Active |
| CATCH AND STAY VACATION RENTALS, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Nov 3, 2025 | Inactive |
| KEYS EXECUTIVE CLEANING SERVICES LLCMarathon, FL · Active | Marathon, FL | LLC | Nov 3, 2025 | Active |