Boaters say it is the “end of an era” as they leave a marina set to become a new housing development. More than 50 people in Queenborough Creek, Sheppey, are having to find another place to dock. It sits on land earmarked for 1,100 homes as part of a £400 million scheme to redevelop the area. As work starts on the plan, those currently using the marina have been told to find a new home. Gareth John, who lives in Rainham, has run his business Hurricane Charters from the marina for more than 15 years. He organises commercial charter tours for sea fishing and seal watching in the Thames and Medwa…