By road
The road entrance to the marina is via Lower Alma Street, Dukinfield.
Lower Alma Street runs westwards from the A627 King Street/Cavendish Street, just south of the railway bridge near Asda.
By boat
The entrance to Portland Basin Marina is at the northern end of the Peak Forest Canal, just across the aqueduct from its junction with the Ashton Canal at Portland Basin.
On foot
The marina can be reached on foot from Portland Basin Museum by crossing the steel footbridge and following the path across the aqueduct, keeping to its left hand (eastern) side.