Long Key Post Office

NOTICE: The Postal Service is an essential government service, and will remain open wherever possible.

68340 Overseas Hwy, Long Key, FL 33001

Contact Numbers

Phone: 305-664-4112
Fax: 305-664-5527
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours

Last Collection Times

Monday 3:30pm
Tuesday 3:30pm
Wednesday 3:30pm
Thursday 3:30pm
Friday 3:30pm
Saturday 9:30am
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Burial Flags
  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Lot Parking

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

Islamorada
82801 Overseas Hwy
8.7 miles away

Key Colony Beach
600 W Ocean Dr
9.2 miles away

Marathon Shores
11400 Overseas Hwy Ste 120
9.6 miles away

Marathon
5171 Overseas Hwy
11.5 miles away

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