Mill Island is a small island located in the River Thames in London, England. The island is approximately 1.5 acres in size and is situated near the Kew Bridge. It is a tranquil oasis amidst the bustling city, offering a peaceful escape from the urban landscape. The island is home to a variety of wildlife, including birds, fish, and other aquatic creatures. Visitors can explore the island's walking trails, which wind through lush vegetation and offer scenic views of the surrounding area. The island also features a few historic buildings, including a 19th-century boathouse and a Grade II-listed cottage.