Department of Revenue Child Support Office, Marathon
Marathon, Florida
The Department of Revenue Child Support Office, Marathon is at 2796 Overseas Highway, Suite 218, Marathon, FL 33050. Call Florida Department of Revenue, Child Support Program at (850) 488-5437, the statewide line. It serves Monroe County.
How do I contact this office?
2796 Overseas Highway, Suite 218Marathon, FL 33050
- Phone
- (850) 488-5437 (statewide line)
- TTY
- (800) 955-8771
- Before you go
- The Department of Revenue office locator lists this office as closed until further notice. Call the Child Support Program before you go.
- Official page
- Official office listing
Is this my office?
This office serves Monroe County.
Not your area? See every Florida child support office.
Can I handle this without going in?
Often, yes. Many requests don't need a visit:
- Check your case and payments online in Child Support eServices.
- Pay online, by phone, or by mail: see every way to pay child support in Florida.
- Ask about your case by phone at (850) 488-5437.
Going in person? Read "Before you go" above, and call first if you can.
What should I bring?
The agency asks you to bring:
- Photo ID, or be ready to give other information to verify who you are
- For genetic testing: photo ID for each adult being tested
- For a child being tested who has no photo ID: the child's birth certificate, Social Security card, insurance card, or school ID
Other child support offices near Marathon
- Miami-Dade State Attorney Child Support Program, South Dade Government Center Cutler Bay · 75 miles away
- Miami-Dade State Attorney Child Support Program, Overtown (Main Office) Miami · 92 miles away
- Miami-Dade State Attorney Child Support Program, Joseph Caleb Center Miami · 94 miles away
More help with Florida child support
Office details come from the official Florida office listing, checked October 24, 2026. Sunny Child Support is not affiliated with Florida Department of Revenue, Child Support Program. Spot a mistake? Tell us.