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Garden Island is a 1,490-acre island located in the Mississippi River in the state of Iowa, USA. It is a marshy island that is home to a diverse ecosystem of plant and animal life. The island is accessible by boat only, and visitors can enjoy camping, fishing, and hiking on the island.

One of the main reasons to visit Garden Island is its beautiful scenery and abundant wildlife. Visitors can see a variety of birds, fish, and mammals on the island, including bald eagles, pelicans, deer, and beavers. The island is also known for its stunning sunrises and sunsets, which can be enjoyed from the island's many lookout points.

Garden Island is also rich in history and culture. The island has been inhabited by Indigenous peoples for thousands of years, and there are numerous archaeological sites on the island that date back to prehistoric times. Visitors can learn about the island's history and culture by visiting the Garden Island Archaeological District and the Garden Island State Recreation Area.

One of the most popular activities on Garden Island is fishing. The island is home to a variety of fish species, including catfish, walleye, and bass. Visitors can fish from the shore or from a boat, but it is important to note that a fishing license is required to fish in Iowa.

The best time to visit Garden Island is during the summer months when the weather is warm and the island is most accessible. However, visitors should be prepared for mosquitoes and other insects during the summer months.

Overall, Garden Island is a unique and beautiful destination that offers visitors a chance to experience Iowa's natural beauty and rich history.