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Marathon Water Bill Pay & Setup
Official water utility, online billing, and customer service guide for Marathon, Florida.
Online Bill Pay Portal
Securely pay your municipal water and sewer bills online without any hassle.
Contact & Office Details
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Service Provider
Florida Keys Aqueduct Authority (FKAA)
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In-Person Office
9805 Overseas Hwy, Marathon, FL 33050
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Important Notice
FKAA provides potable water; Marathon City handles municipal wastewater services separately.
Frequently Asked Questions
Q: Where can I pay my water bill online in Marathon?
A: You can pay your bill securely through the official payment portal managed by Florida Keys Aqueduct Authority (FKAA).
Q: What are the office hours for water utility services?
A: The office is open during these hours: Monday - Friday, 8:00 AM - 5:00 PM.
Q: Who do I call for water emergencies or billing questions?
A: You can contact Florida Keys Aqueduct Authority (FKAA) customer service directly at 305-743-5409.
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