Middleton-on-Sea is a small seaside town in the United Kingdom, located on the south coast of England. The town is famous for its long sandy beach, which stretches for over two miles. The beach is a popular spot for swimming, sunbathing, and surfing. Middleton-on-Sea is also home to a number of historic buildings and landmarks, including the Grade II listed Middleton Towers, which was once a grand Victorian hotel.