| Business | Phone |
| County Commissioners Board 500 Whitehead St, Key West 33040 | (305) 292-3440 |
| Flordia Keys Animal Shelter 5230 College Rd, Key West 33040 | (305) 294-4857 |
| Florids Keys Mosquito Control 5224 College Rd, Key West 33040 | (305) 292-7190 |
| Guardian Ad Litem 5503 College Rd # 206, Key West 33040 | (305) 292-3485 |
| Honorable Susan Vernon 502 Whitehead St, Key West 33040 | (305) 295-3644 |
| Information Systems Key West 33040 | (305) 294-4641 |
| Land Authority 1200 Truman Ave # 207, Key West 33040 | (305) 289-6022 |
| Legal Services Of The Keys 600 White St, Key West 33040 | (305) 292-3566 |
| Monroe Administrative Svc Key West 33040 | (305) 292-4457 |
| Monroe Cnty Veteran's Affairs 1200 Truman Ave # 204, Key West 33040 | (305) 295-5150 |
| Monroe Code Enforcement 1100 Simonton St, Key West 33040 | (305) 292-4495 |
| Monroe Community Svc Div 5100 College Rd, Key West 33040 | (305) 292-4500 |
| Monroe County Administrator 1100 Simonton St, Key West 33040 | (305) 292-4441 |
| Monroe County Bayshore Manor 5200 College Rd, Key West 33040 | (305) 294-4966 |
| Monroe County Budget Office 1100 Simonton St # 213, Key West 33040 | (305) 292-4470 |
| Monroe County Building Dept 5503 College Rd # 203, Key West 33040 | (305) 292-4490 |
| Monroe County Commissioners 530 Whitehead St, Key West 33040 | (305) 292-3430 |
| Monroe County Data Processing 5525 College Rd, Key West 33040 | (305) 292-7027 |
| Monroe County Elections 530 Whitehead St # 101, Key West 33040 | (305) 292-3416 |
| Monroe County Engineering 1100 Simonton St, Key West 33040 | (305) 292-4426 |
| Monroe County Extension Svc 5100 College Rd, Key West 33040 | (305) 743-0079 |
| Monroe County Facilities Mntnc 3583 S Roosevelt Blvd, Key West 33040 | (305) 292-4431 |
| Monroe County Fleet Management 3583 S Roosevelt Blvd, Key West 33040 | (305) 292-3572 |
| Monroe County Grants Mgmt 1100 Simonton St, Key West 33040 | (305) 292-4482 |
| Monroe County Grants Mgmt 5100 College Rd, Key West 33040 | (305) 292-4474 |
| Monroe County Human Resources 1100 Simonton St, Key West 33040 | (305) 292-4537 |
| Monroe County In-Home Svc 1100 Simonton St, Key West 33040 | (305) 292-4583 |
| Monroe County Info Systems 1200 Truman Ave # 211, Key West 33040 | (305) 292-4480 |
| Monroe County Information Dept 1100 Simonton St, Key West 33040 | (305) 743-0079 |
| Monroe County Jury Clerk 500 Whitehead St # 404, Key West 33040 | (305) 292-3432 |
| Monroe County Land Authority 1200 Truman Ave # 207, Key West 33040 | (305) 295-5180 |
| Monroe County Legal Svc 600 White St, Key West 33040 | (305) 294-4641 |
| Monroe County Marriage License 1200 Truman Ave, Key West 33040 | (305) 294-4641 |
| Monroe County Nutrition 1100 Simonton St, Key West 33040 | (305) 292-4522 |
| Monroe County Payroll Dept 500 Whitehead St, Key West 33040 | (305) 292-3543 |
| Monroe County Purchasing 1100 Simonton St # 2-213, Key West 33040 | (305) 292-4464 |
| Monroe County Recording 500 Whitehead St, Key West 33040 | (305) 292-3540 |
| Monroe County Safety Dept 1100 Simonton St, Key West 33040 | (305) 292-4454 |
| Monroe County Tech Srvcs 110 Simonton St, Key West 33040 | (305) 292-4463 |
| Monroe County Technical Svc 1200 Truman Ave # 211, Key West 33040 | (305) 295-5110 |
| Monroe County Traffic Bureau 500 Whitehead St, Key West 33040 | (305) 292-3545 |
| Monroe County Traffic Signs 3583 S Roosevelt Blvd, Key West 33040 | (305) 295-5190 |
| Monroe County Vehicle Rgstrtn 1200 Truman Ave, Key West 33040 | (305) 295-5010 |
| Us Cooperative Extension Svc 5100 College Rd, Key West 33040 | (305) 292-4501 |
| Monroe Jtpa 5100 College Rd, Key West 33040 | (305) 292-4506 |
| Monroe Property Appraiser 500 Whitehead St, Key West 33040 | (305) 292-3420 |
| Monroe Workers Comp Dept 1100 Simonton St, Key West 33040 | (305) 292-4449 |
| Pretrial Services 5503 College Rd # 205, Key West 33040 | (305) 294-7288 |
| Tourist Development Council 1201 White St # 102, Key West 33040 | (305) 296-1552 |