Post offices serve all communities within a county, from city branch locations to rural contract postal units that serve smaller towns and unincorporated areas with essential mail services. There are 12 Post Office locations in Monroe County, Florida.

Residents of Monroe County should be aware that rural post offices and contract postal units may have limited hours compared to full-service branches. USPS provides a free package pickup service for all residents, including those in rural areas, which can eliminate the need to travel to a post office for outgoing packages.

List of Monroe County, Florida Post Office

Big Pine Key Post Office

View Details Call Now (305) 872-2531

Big Pine Key Post Office

Address
Get Direction
Hours

Key West Post Office

View Details Call Now (305) 294-9539

Key West Post Office

Address
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Hours

Naval Air Station Unit 2 Post Office

View Details Call Now (305) 293-2406

Naval Air Station Unit 2 Post Office

Address
Get Direction
Hours

Long Key Post Office

View Details Call Now (305) 664-4112

Long Key Post Office

Address
Get Direction
Hours

Flagler Key West Post Office

View Details Call Now (305) 296-7327

Flagler Key West Post Office

Address
Get Direction
Hours

Islamorada Post Office

View Details Call Now (305) 664-4738

Islamorada Post Office

Address
Get Direction
Hours

Key Colony Beach Post Office

View Details Call Now (305) 743-5238

Key Colony Beach Post Office

Address
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Hours

Key Largo Post Office

View Details Call Now (305) 451-3155

Key Largo Post Office

Address
Get Direction
Hours

Marathon Post Office

View Details Call Now (305) 743-5238

Marathon Post Office

Address
Get Direction
Hours

Marathon Shores Post Office

View Details Call Now (305) 743-5238

Marathon Shores Post Office

Address
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Hours

Summerland Key Post Office

View Details Call Now (305) 745-3391

Summerland Key Post Office

Address
Get Direction
Hours

Tavernier Post Office

View Details Call Now (305) 853-1052

Tavernier Post Office

Address
Get Direction
Hours

Residents of Monroe County can use the USPS online location finder to identify the nearest post office, rural branch, or contract postal unit and check their individual hours. Enrolling in USPS Informed Delivery is free and lets all county residents preview incoming mail and packages via email or the USPS app each morning before delivery.

You may also find Post Office locations in neighboring counties including Monroe.