Saint Mabyn’s Psychiatric Sanitarium | MCU Location Scout

Exterior of Saint Mabyn's.

The next stop for this bus is the lovely chateau of Saint Mabyn’s.

Field

One year ago, Tommy and Lisa escaped the court services bus transporting them to Saint Mabyn’s, landing in a field and running away.

This sequence was filmed near the Saint Mabyn’s location. The sign for the hospital can be seen briefly in one image below. The bus is driving along Park Lane in the first two images and then Hayes Site Road when the pair leaps from the bus and runs.

  • A court services bus driving along road outside Saint Mabyn's.
  • A court services bus driving along road outside Saint Mabyn's.
  • Tommy and Lisa laying in a field as the court service bus passes outside Saint Mabyn's.
  • Tommy and Lisa laying in a field outside Saint Mabyn's.
  • Tommy and Lisa running in a field outside Saint Mabyn's.

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Exterior/Interior

In the present day, Tommy is brought to Saint Mabyn’s by Paladin as part of a trap for Vision. The synthezoid walks into the trap knowing what it is in order to save Tommy.

These scenes were filmed in and around Hayes Park in Hayes, UK, which was
formerly the UK headquarters for H.J. Heinz Co.

  • Exterior of Saint Mabyn's.
  • Tommy and Paladin entering Saint Mabyn's.
  • Tommy and Paladin entering Saint Mabyn's with other guards.
  • Vision entering Saint Mabyn's.
  • Vision in the lobby of Saint Mabyn's.
  • Shootout at Saint Mabyn's as seen from outside.
  • Interior hallway in Saint Mabyn's.
  • Vision in a hallway of Saint Mabyn's.
  • Tommy's car driving away from Saint Mabyn's.

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Parking Lot

Tommy helps Vision escape out the back of the hospital by stealing a car.

This ending portion of the sequence was filmed in the northwest part of the ring road around the facility.

  • Tommy helping Vision out a side door at Saint Mabyn's.
  • Tommy and Vision outside Saint Mabyn's.
  • Tommy and Vision outside Saint Mabyn's.
  • Tommy picks up Vision outside Saint Mabyn's.

Street View

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(VisionQuest S01E02, 2026)