Putten Island is a small, uninhabited island located in the Wadden Sea of the Netherlands. It is part of the Friesland province and is known for its natural beauty and diverse wildlife. The island is primarily composed of mudflats and salt marshes, making it an important habitat for various bird species. Visitors to Putten Island can enjoy activities such as birdwatching and exploring the unique coastal ecosystem. The island is accessible by boat and is often included in nature tours that highlight the rich biodiversity of the Wadden Sea region, a UNESCO World Heritage site.