Seton Mains Halt was a railway halt of the North British Railway, located between the current Prestonpans and Longniddry railway stations, opposite Seton Gardens/Entrance to Seton Castle. The signal box and halt have been demolished. It had a booking office and a platform.

Routes

Preceding station	Historical railways			Following station
Prestonpans Line open; Station open		North British Railway NBR Main Line		Longniddry Line open; Station open