Beaufort is located at 32°25'51" North, 80°40'10" West (32.431111, -80.669722).
According to the United States Census Bureau, the city has a total area of 23.43 mi2 (60.69 km2). 18.61 mi2 (48.21 km2) of it is land and 4.82 mi2 (12.48 km2) of it is covered by water. The total area is 20.56% water.
Beaufort is located in the Eastern Standard Time (EST) timezone, GMT-05:00. It observes Daylight Saving Time (DST).