Miramar Beach is a census-designated place (CDP) in Walton County, Florida, United States.

Miramar Beach is due east of Destin, Florida.

Miramar Beach is located in the southwestern corner of Walton County at 30°22′58″N 86°21′21″W / 30.38278°N 86.35583°W / 30.38278; -86.35583 (30.382698, -86.355962).

U.S. Route 98 is the main route through the CDP, and leads east 47 mi (76 km) to Panama City and west 9 mi (14 km) to Destin.

52.0% were female and 11.4% of the population were foreign born persons.There were 875 veterans living in the city.