Lake Spoonerville is a man-made lake located south of Spoonerville. Lake Spoonerville was created in 1944 to help with the cities fast growing populations. A city name Lake Spoonerville, NY was founded to the east of the lake in 1948 and hosts over 40,000 people as of 2017.

Lake Spoonerville at its largest distance west to east is 4.3 miles and 8 miles north to south. The average depth of Lake Spoonerville is 8.6 feet.