Minnetonka Beach is a city in Hennepin County, Minnesota, United States.

Originally part of Excelsior Township, Minnetonka Beach was the site of the Hotel Lafayette, which was built by the Minneapolis, Saint Paul, & Manitoba Railway (later part of the Great Northern Railway) in 1882.

There were 231 housing units at an average density of 491.5 per square mile (189.8/km2).

18.9% of all households were made up of individuals, and 7% had someone living alone who was 65 years of age or older.

There were 224 housing units at an average density of 432.8 per square mile (167.1/km2).

The racial makeup of the city was 97.88% White, 0.16% Native American, 1.30% Asian, and 0.65% from two or more races.

14.4% of all households were made up of individuals, and 5.6% had someone living alone who was 65 years of age or older.