Tonka Bay is a city in Hennepin County, Minnesota, United States. It is located on Lake Minnetonka between the upper and lower lakes. It gained some popularity in the 1880s and 1890s as a summer lake resort. The population of Tonka Bay was 1,475 at the 2010 census.
According to the United States Census Bureau, the city has a total area of , of which is land and is water. Manitou Road serves as a main route.
Circa 10,000 B.C. – Tonka Bay forms during the recession of the last glaciation – the Wisconsin. Upper and Lower Lake Minnetonka and the peninsula and bays that now make up Tonka Bay forms as the ice sheet retreats.
1852 – Signing of Treaty of Traverse des Sioux that opens up the Lake Minnetonka area to white settlement.
1852 –Territorial Governor Alexander Ramsey explores Lake Minnetonka and officially names it “Minne” (Sioux for water) and “Tonka” (Sioux for big or strong).
1853 – Reverend Stephen Hull comes to the a