Live where you want. Union Green offers all the best of resort living. Situated 70 miles from Chicago, Union Pier is one of the best kept secrets on the shores of Lake Michigan. Union Pier offers great food, eclectic shopping, stunning beaches and easy access to highways for quick day trips. Designed, Developed and Built by Mosaic Town Builders. A company committed to "The Fine Art of Neighborhood" . Mosaic is committed to weaving our neighborhoods into the history and fabric of local communities by crafting lasting architecture, walkability and connection to all of harbor country.