After leaving Goodwill, the state highway meets unsigned MD 703 (Klej Grange Road).

MD 366 continues east through farmland, intersecting Old Mill Road before entering the unincorporated village of Stockton.

Vaughn Wildlife Management Area before meeting its eastern terminus at the entrance to the parking lot of George Island Landing on Chincoteague Bay.

[4][5] By 1921, 2-mile (3.2 km) sections were built from Stockton west to Old Mill Road and east to Goodwill from the Pocomoke City End.

[7] MD 366 was under construction from the eastern end of pavement in Stockton to George Island Landing by 1934 and completed in 1935.