Hayling Island is an island off the south coast of England, in the borough of Havant in the county of Hampshire. Hayling Island covers only ten square miles and is accessible from the mainland by a road bridge. Its beaches now boast a Blue Flag and the Solent Water Quality Award in recognition of its high standards and water quality. This wonderful seaside resort has 3 miles of beaches right on the doorstep of the Solent and the Harbours of Langstone and Chichester.. Although small, the island has a surprisingly rich and varied history.