[3] Castle Park is an unincorporated private community in the township, consisting of approximately 100 cottages and summer houses along Lake Michigan.

It is situated on the former Castle Park estate of Michael Schwarz.

Schwarz's brick, turreted castle-style house, built in 1890, now serves as the enclave's community center.

[6] It has a "PO Box only" post office with the ZIP code of 49434.

[7] As of the census[1] of 2000, there were 5,561 people, 2,080 households, and 1,591 families residing in the township.

18.8% of all households were made up of individuals, and 6.2% had someone living alone who was 65 years of age or older.