The 2021 Shore Lunch 150 was the 11th stock car race of the 2021 ARCA Menards Series season, the sixth race of the 2021 ARCA Menards Series East season, the fifth race of the season, and the 15th iteration of the event. The race was held on Saturday, July 24, in Newton, Iowa at Iowa Speedway, a 7⁄8 mile (1.4 km) permanent D-shaped oval racetrack. The race would take the scheduled 150 laps to complete. At race's end, Ty Gibbs of Joe Gibbs Racing would dominate the race and win his 14th career ARCA Menards Series win and his sixth of the season. To fill out the podium, Daniel Dye of GMS Racing and Taylor Gray of David Gilliland Racing would finish second and third, respectively.