The King of Marvin Gardens

The name of this movie is The King of Marvin Gardens released in 1972-10-12 and it's main theme is Jason Staebler lives on the Boardwalk and fronts for the local mob in Atlantic City. He is a dreamer who asks his brother David, a radio personality from Philadelphia, to help him build a paradise on a Pacific Island, which might be just another of his pie-in-the-sky schemes. Inevitably, complications begin to pile up..