Wat Thung Yi was situated off the city island in the northeastern area of Ayutthaya in the Phai Ling Sub-district.
The former monastery was southwest of Wat Phraya Tikaram.
There are no traces found in situ.
The historical background and period of construction of the temple are unknown.
The monastery is mentioned on a 1993 CE Fine Arts Department map.
Wat Thung Yi must have been approximately in geographical coordinates: 14° 21' 19.57" N, 100° 35' 58.69" E.