The fair is located on the 62-acre (250,000 m2) Marshfield Fairgrounds in Marshfield, Massachusetts, approximately 30 miles (48 km) south of Boston in Massachusetts' South Shore region.
It is one of the few remaining fairs that still support 4-H shows and competitions.
On three days, there are blues music festivals with local and national talent.
Regular special events each year include the demolition derby and tractor pulls.
Weather has played an important factor in the amount of business the fair gets throughout the years.