Potton Island is a small, uninhabited island located in the River Crouch estuary in Essex. Despite its small size, the island has a rich history and is an important site for wildlife conservation. The island was once used as a quarantine station for ships arriving in the nearby port of Burnham-on-Crouch, and during World War II it was used as a bombing range by the Royal Air Force. Today, the island is a designated Site of Special Scientific Interest (SSSI) due to its importance as a breeding ground for birds such as the little egret and the avocet.
The island is accessible only by boat, and visitors are advised to take care when navigating the shallow waters of the estuary. Once on the island, visitors can explore the network of footpaths that criss-cross the island, taking in the stunning views of the surrounding marshland and mudflats. The island is also home to a number of rare plant species, including sea lavender and sea aster, which thrive in the salt marsh environment.
Despite its remote location, Potton Island has played an important role in the history and ecology of the River Crouch estuary. Its unique position at the mouth of the river has made it a vital site for shipping and trade, while its isolation has allowed it to become a haven for wildlife. Today, the island remains an important site for conservation and is a popular destination for birdwatchers and nature enthusiasts.