Wat Suwimon, or the Lucid Monastery, is a defunct temple situated off the city island in the eastern area of Ayutthaya in the Phai Ling Sub-district. The temple was located on the present badminton field of the Ayutthaya Provincial Sports Stadium.
The site was on the horizontal axis of Wat Wihan Satru - Wat Khian - Wat Suwimon and another unidentified temple and on the vertical axis of Wat Fai Mai - Wat Sema - Wat Maha Thalai - Wat Suwimon.
The monastery was situated east of Wat Khian and south of Wat Maha Thalai.
Its historical background and period of construction are unknown.
Khun Chin indicated the site during a visit to the area in March 2016 CE.
Wat Suwimon must have been located in geographical coordinates: 14° 20' 49.38" N, 100° 35' 56.47" E.
