Located on the north wall of a corridor leading to the garden was an arched niche that sat 1.22m above the floor. The niche had a stucco-coated projecting base and an aedicula façade, elaborately decorated in polychrome stucco detailing. The capitals of the antae and architraves which run around the curve of the
vault and the edge of the projecting floor were all adorned with moulded stucco bands painted in red, white and blue. The antae themselves were painted brown and bordered by red. The vaulted ceiling of the niche was painted with stars of red and green. The back wall was bordered on each side with a painted green pilaster, within which a red border outlined a white panel. In the centre of this, below two garlands, was a painted figure of Hercules holding his club with his lion skin over his shoulder and a skyphos. To the right of him stood an altar of yellowish imitation marble. On either side was a laurel bush, with a hog on the left. During excavation, cult objects were found in situ, including a bronze statuette of Mercury, Minerva, and a statuette of a unidentified woman with her arms extended. Also within the shrine was a bacchante head, a small vase-shaped terracotta arula found with ashes on top, a lamp, a dolphin pendent, and two coins depicting Germanicus and Nero.