Atty. John W Keller III

Atty. John W Keller III

John W Keller III is a lawyer practicing admiralty law, environmental law, commercial law and 1 other area of law. John received a B.S. degree from University of Florida in 1974, and has been licensed for 49 years.

Miami Miami 49 yrs experience 49 year
Call (786) 821-0140 Book Appointment

Profile Summary

About John W Keller III at a glance

John W Keller III is a Partner based in Miami, Florida, practicing at Keller & Mesa, LLP. They have 49+ years of legal experience, licensed to practice since 1977. Their practice focuses on business, environmental, insurance, and maritime. Admitted to practice in Florida (1977), U.S. District Court, Southern and Middle District of Florida (1977), and U.S. Court of Appeals for the Eleventh Circuit (1979). Educated at Stetson University (J.D., 1977) and University of Florida (B.S., 1974). Recognitions include AV Preeminent. Serands clients in Miami, FL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John W Keller III is a lawyer practicing admiralty law, environmental law, commercial law and 1 other area of law
  • John received a B.S. degree from University of Florida in 1974, and has been licensed for 49 years
  • John practices at Keller & Mesa, LLP in Miami, FL

Practice Areas Explained

John W Keller III's Areas of Practice

Each practice area below reflects the types of cases John W Keller III handles, with a brief overview of what that area of law covers.

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

John W Keller III is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Florida →

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

John W Keller III is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in Florida →

Insurance Law

Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.

John W Keller III is one of 121,912 insurance attorneys indexed nationally. Browse insurance attorneys in Florida →

Maritime & Admiralty Law

Maritime attorneys for Jones Act claims, longshore injury, cruise ship cases, and offshore matters.

John W Keller III is one of 11,568 maritime attorneys indexed nationally. Browse maritime attorneys in Florida →

Jurisdictional Context

Why local counsel matters in Florida

Practicing law in Florida. Legal matters in Florida are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Miami are typically filed in the local municipal court or the appropriate Florida state district court, depending on subject matter and amount in controversy. An attorney licensed in Florida brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Florida courts without local counsel or pro hac vice admission.

Looking for additional Florida attorneys? Browse all attorneys in Miami or all attorneys in Florida.

Frequently Asked

Common questions about John W Keller III

Where is John W Keller III's law office located?
John W Keller III's law practice is located in Miami, Florida. The firm is Keller & Mesa, LLP. You can contact the office directly through this profile page.
What practice areas does John W Keller III handle?
John W Keller III focuses on business, environmental, insurance, maritime. Each practice area listed reflects experience handling cases of that type in Florida.
How long has John W Keller III practiced law?
John W Keller III has 49+ years of legal experience and has been licensed since 1977.
Where did John W Keller III go to law school?
John W Keller III earned their education at (J.D., 1977); (B.S., 1974).
How can I contact John W Keller III for a consultation?
You can contact John W Keller III directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has John W Keller III received?
John W Keller III's notable recognition includes: AV Preeminent.

Education

J.D.
Stetson University
- 1977
B.S.
University of Florida
- 1974

Awards

AV Preeminent

Bar Admissions

Florida
Admitted: 1977
U.S. District Court, Southern and Middle District of Florida
Admitted: 1977
U.S. Court of Appeals for the Eleventh Circuit
Admitted: 1979

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