Marine City is located in St. Clair County, MI. The population is 4,258, making Marine City the 4th largest city in St. Clair County.
There are 4 public schools in Marine City with an average Homefacts rating of B+. The total crime rate for Marine City is very low , and there are 31 registered sex offenders residing in the city. Unemployment in Marine City is moderate and the median home sales price is $0. Detailed and up-to-date Marine City property reports are available for any property address.