Ferncroft Country Club is a private 287-acre club straddling Middleton and Topsfield, founded by Joe Mass and opened in 1970. Its championship par-72 course was designed by Robert Trent Jones Sr. and stretches about 6,632 yards, with a 543-yard par-5 18th often cited among the best finishing holes in Massachusetts. The club hosted the LPGA's Boston Five Classic from 1980 through 1990.