Marlboro has a township-sponsored recreation program, with activities for all ages including active soccer and basketball leagues for boys and girls; in addition Little League baseball / softball and Pop Warner football / cheerleading, and a growing amateur wrestling program.

In the summer, the Township holds free outdoor concerts by notable popular music artists. In recent years performers have included Jay and the Americans, Bill Haley's Comets,Lesley Gore, Little Anthony & The Imperials, Johnny Maestro & the Brooklyn Bridge, The Platters, The Trammps, and The Tokens.