Mainau Island is a beautiful island located in Lake Constance, Germany. Known as the "Flower Island," it is famous for its stunning gardens and diverse plant species. Visitors can explore various themed gardens, including a rose garden and a tropical greenhouse, making it a popular destination for nature lovers. The island covers about 45 hectares and is accessible by ferry or car. It is home to a baroque palace, the Mainau Palace, which dates back to the 18th century. Additionally, Mainau Island is a family-friendly location, featuring playgrounds and educational exhibits about nature and sustainability.