Horseshoe Island (Wisconsin)

Horseshoe Island is a small, uninhabited island located in Green Bay, Wisconsin, near the city of Ephraim in Door County. It is part of the Niagara Escarpment and is characterized by its distinct horseshoe shape, from which it derives its name.

The island is primarily composed of dolomite bedrock and supports a variety of plant and animal life typical of the Door County peninsula. Its ecosystem includes boreal forest vegetation and shoreline habitats.

Horseshoe Island is accessible primarily by private boat or kayak. It is a popular destination for kayakers and small boaters due to its proximity to the mainland and relatively calm waters. Visitors are drawn to the island for its natural beauty, opportunities for hiking, and birdwatching.

The island is managed as part of the Door County Land Trust, which works to preserve and protect its natural resources. Public access is permitted, but visitors are encouraged to practice Leave No Trace principles to minimize their impact on the environment. The Door County Land Trust also conducts ecological monitoring and habitat restoration projects on the island.

Historically, Horseshoe Island was used for agriculture and logging before being acquired for conservation purposes. Evidence of past human activities can still be observed on the island, including remnants of old structures and cleared areas.