Mary Esther, FL is a city located in Okaloosa County, Florida and has a land area of 4.14 square miles (10.72 km2). The water area for the city is 5.05 square miles or 13.08 km2. There is one unique zip code in Mary Esther, Florida and it is 32569. The area code(s) for Mary Esther is 850.
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